Thursday
December 18, 2014

Search: soil

Number of results: 592

science
what characteritics should a soil have to suit animals which live in the soil?why are these characterics important?hence, infer which type of soil is most suitable for soil-living aimals?
January 21, 2010 by ann

language art(1 question)
please2. If a garden's dirt is moist,a gardener will probably see and feel A. soil that has cracks.(i pick this) B. soil that has small puddles C. soil that is wet enough to form clumps. D. soil that is dry enough to scatter in the wind. check ...
December 23, 2013 by matt

science
which soil other than clay soil is better to survive wind erosion?sandy or top soil
September 9, 2009 by nobody

Science
How long does it take for soil to form from bedrock? A. 1 year B. 10 yr C. 100 yr D 1000 yr http://www.seafriends.org.nz/enviro/soil/geosoil.htm#soil
April 17, 2007 by Missy

Science
What would the application be to my experiment which was "We dig through soil and check for inorganic and organic matter in the soil and look for natural things in the soil(ex; beans,feather,rocks,sticks,and grass)" Please I need your help URGENT! ! !
November 8, 2011 by Hilga

chemistry
A chemical is placed in a beaker containing 20 g of soil and 500 mL of water. At equilibrium, the chemical is found in the soil at a concentration of 100 mg/kg of soil. The equilibrium concentration of this same chemical in the water is 250 µg/L. Calculate the partition ...
January 21, 2011 by Jazmin

Leaf and Plot
The stem-and-leaf plot shows the heights in centimeters of Teddy Bear sunflowers grown in two different types of soil. Soil A Soil B 5 | 9 5 2 1 1| 6 | 39 510 | 7 | 023678 21| 8 | 3 0| 9
May 2, 2014 by moby

Science
9. How does conservation plowing help limit the destruction of soil? (1 point) • by rotating crops, removing moisture, and holding soil in place • by returning soil nutrients, retaining moisture, and holding soil in place • by rotating crops, retaining moisture, and holding ...
January 9, 2014 by Mileena

Science 6TH Grade
What would the application be to my experiment which was "We dig through soil and check for inorganic and organic matter in the soil and look for natural things in the soil(ex; beans,feather,rocks,sticks,and grass)" Please help! ive been on this for 4 hours now and have had no...
November 8, 2011 by Hilga

Chemistry problem
Hi I'm stuck on these questions can you please help me A soil sample contains 0.2234 g of Fe3+ per 100g. Fe3+ is precipitated when the soil becomes alkaline as shown in the equation below. Fe3+ + 3OH- + (x-1)H2O „_ FeOOH.xH2O(s) This soil is sprayed with 40.0 wt% urea solution...
March 26, 2010 by Sarah

chemistry
Hi Can sombody please help me with this problem If a soil sample contains 0.5g of iron (Fe3+) per 100g. The iron is precipitated when soil becomes alkaline as shown by equation Fe3+ + 3OH + (x-1)H2O ? FeOOH.xH2O(s) The soil is sprayed with 50 wt% urea solution with density of ...
March 26, 2010 by Mary

Science
1.Differentiate between soil permeability and retentivity. 2.Differentiate between chemical factors and biological factors of soil organisms. Please note,I wouldn't be needing any information from: Soil-Wikipedia,the free Encyclopedia. Thanks.
May 17, 2009 by Kavita

Science ASAP
A geologist is studying a layer of soil in the Sahara. The soil layer contains little humus but a lot of clay and other rock particles. Which soil layer is it? A) A horizon B) B horizon C) C horizon D) bedrock
December 6, 2013 by Mileena

Soil Science!
Given the following soil properties, find the % of water by weight at soil saturation with water: Moist sample weight: 202.16 Oven dry sample weight: 197.8 Bulk Volume:118.86 Particle Volume Density: 73.73 Soil bulk density: 1.66 soil particle density: 2.68 % pore space: 38.06...
October 7, 2014 by Udyr

Soil Science, HELP!!
Given the following soil properties, find the % of water by weight at soil saturation with water: Moist sample weight: 202.16 Oven dry sample weight: 197.8 Bulk Volume:118.86 Particle Volume Density: 73.73 Soil bulk density: 1.66 soil particle density: 2.68 % pore space: 38.06...
October 8, 2014 by Trenton

math
At the greenhouse where you work you need to make soil and vermiculite mixtures for potting plants. Flowering bushes need a mixture of 70% soil and 30% vermiculite by volume. About how many buckets of vermiculite should you add to 5 buckets of soil?
April 7, 2011 by james

math
Charlene is filling a box planter with soil.Each bag of soil contains enough to fill 500 cubic inches.If the base of the box planter is a 9-inch square and the sides are 18 inches tall,how many bags of soil will Charlene need?
May 1, 2012 by Jennifer

science
which is bettter for wind erosion? gravel soil or sandy soil.
September 8, 2009 by boby

soil science
True or False: for a particular soil, pressure just under the water table is negative
February 5, 2011 by Dan

Science
What is the deepest soil layer? A. subsoil B. topsoil C. bedrock D. humus http://www.enchantedlearning.com/geology/soil/ a becouse you have to use process of elemenation bedrock its bedrock because bedrock it in fact the deepest layer of soil to tell you subsoil is not the ...
April 17, 2007 by Missy

science
the difference with growing alfalfa sprouts in soil and cotton buds and how come it grows faster and taller in the soil
January 27, 2008 by kelli

soil
which soil resists wind erosion best
September 6, 2009 by rich

Math
I have found the mean for each data set, but I am not sure if I have calculated the MAD(mean absolute deviation)for each data set correctly. Can someone please help me? Calculate the mean of each data set. Soil A: 61+61+62+65+70+71+75+81+82+90=71.8; =71.8 Soil B: 59+63+69+70+...
May 17, 2013 by Miae

Math
For a fundraiser the soccer team is planning to sell potting soil. The two boxes they will use to sell the soil are shown below. How much do you think they ought to charge for the larger box of potting soil based on the volume of the two boxes? Explain in detail and give ...
April 16, 2013 by Gail

math
If a gardener has 2.625 pounds of soil and divides it into bags with equal amounts, how much soil would be in each bag?
February 11, 2014 by leah

Algebra 1
A gardener at a nursery is filling pots with soil to prepare to transplant seedlings into these larger pots. Each new pot needs about 27 cubic inches of soil. The amount of soil s (in cubic inches) it takes to fill p pots is given by the function s 5 27p. a. The ...
October 22, 2013 by KATIE HELP

science
2.Good soil contains_____. a) humus b) minerals c) sand d) top soil e) all of the above Just need to know if my answer or right or wrong. Thanks! :) e
August 22, 2010 by ant

soil
soil temperature as its varies with dept
July 22, 2011 by otiotio taofik

math
Marianne buys 16 bags of potting soil that comes in 5/8 pound bags a.how many pounds of potting soil does she buy? b. if her father calls and says he needs 13 pounds of potting soil, how many additional bags should she buy?
September 22, 2014 by keith

English
1. Add some soil at the bottom. 2. Add some soil in the ground. 3. Add some on the floor. 4. Add some soil in the hole. (Are the sentences grammatical?)
June 15, 2013 by rfvv

earth science
Science fair help..about soil.. and UV rays..? my topic is how can natural or artificial UV (ultraviolet rays) affect the humus soil and also the grass growing in it? I took 5 plants and put it near the window and the other ones i put it near an artificial (plasma black light ...
May 11, 2009 by s

6th Grade Math
Marianne buys 16 bags of potting soil that comes in 5/8 -pound bags. A. How many pounds of potting does Marianne buy? 10 B. If Marianne’s father calls and says he needs 13 pounds of potting soil, will 4 more bags be enough to cover the extra soil needed? Is 10 the correct ...
September 16, 2014 by Mark

math! please help
Land growing continuous grain corn as a cash crop loses soil at a rate of 14.0 metric tonnes ha-1 yr-1. This is a fertile soil, which has an organic matter content of 3.8% and nitrogen content of 0.35% (both by mass). a) we did this question before, lost soil=soil mass 14000kg...
November 12, 2009 by Ramya

Chemistry
Can someone please help with this problem and explain it please? If soil has a density of 1.32 g/cm cubed, then what does 1.0 cubic yards of soil weigh in pounds?
January 21, 2013 by Sally

science
Soil is usually called an abiotic factor in an ecosystem.Why can soil also be considered a biotic factor?
January 31, 2011 by hamza

Earth Science
Which horizons are composed of unweathered rocks, weathered rocks, young soil, and q well-developed soil?
March 3, 2013 by T-perry

science
explain how heat transfurs from the sun to the sufrace of the soil in the container, then ti the soil that is deeper in the container
June 3, 2010 by jp

science help?
select the word from the following list to complete this paragraph ,you may use award once,more than once or not at all. (water,clay,sand,increases,decreases,air,permeable,textures) Soil of different..........appear to have differing capacity to retain ........As the ...
December 3, 2013 by sam ????????????????????

environmental engineering /hydrology
estimate the volume of water that will infiltrate into a soil before surface saturation occurs using the Green-Ampt equation.The following data are known ; 1-saturated moisture content is 0.25 2-the initial moisture content is 0(zero) 3-the average rainfall rating is 2 in./hr ...
December 6, 2011 by aysegul

Science help.
You make a terrarium for your school’s science fair by putting some soil into a glass container and adding small plants. You moisten the soil with water and add a slug. You cover the terrarium with clear plastic that has vent holes. Then, you place the terrarium in a sunlit ...
May 2, 2013 by Anonymous

science
which soil can't resists wind ersion? or Which soil is most likely to be eroded by wind?
September 8, 2009 by Stephiney

science
If a farmer plants the same crop in a field year after year the soil becomes less fertile. What causes this decrease in fertility ? a) erosion b) lack of water c) loss of topsoil d) loss of nutrients How do decomposes increase the fertility of soil ? a) by storing moisture in ...
March 10, 2014 by victoria

social studies
medieval farmers used plows to break up the soil in the humid oceanic climate. they also rotated their crops. what does this tell you about the climate and soil in this zone?
January 4, 2011 by blue13

Math
Land growing continuous grain corn as a cash crop loses soil at a rate of 14.0 metric tonnes ha-1 yr-1. This is a fertile soil, which has an organic matter content of 3.8% and nitrogen content of 0.35% (both by mass). a) we did this question before, lost soil=soil mass 14000kg...
November 12, 2009 by Ramya

English
Writeacher, this is my last doubt! As I couldn't find anything on the objectives of a project on the biodiversity of water in English I'll have to refer to these objectives which refer to soil. Do you think you can help me? The topic must be water (rivers, ocean etc) not soil...
January 27, 2012 by Henry2

agriculture
1. name two negative effects of low pH 2.name two effecof low alkaline soil 3.name 3 causes of soil acidification 4.name two causes of brackish soil
April 18, 2014 by masaka cindy

math
Land growing continuous grain corn as a cash crop loses soil at a rate of 14.0 metric tonnes ha-1 yr-1. This is a fertile soil, which has an organic matter content of 3.8% and nitrogen content of 0.35% (both by mass). a) we did this question before, lost soil=soil mass 14000kg...
November 12, 2009 by Ramya HELP!

Geography
What soil factors influence type of vegetation in a region? I am confused, so I provided two answers. I am uncertain of which one is correct, though. My answer #1: Soil, temperature, and moisture influence the type of vegetation that thrives naturally in a region. My answer #2...
September 2, 2013 by Anonymous

ChemChem
Hi, please help! Question: Farmers added Calcium hydroxide to soil one morning. They then planned to add Ammonium chloride fertilisers to the soil immediately. However, the instruction label on the packet of fertilisers read: "Do not add fertiliser immediately after adding ...
November 2, 2009 by Chemistry

SCIENCE? HELP!
1. How does conservation plowing help limit the destruction of soil? • by rotating crops, removing moisture, and holding soil in place • by returning soil nutrients, retaining moisture, and holding soil in place • by rotating crops, retaining moisture, and holding soil in ...
December 16, 2013 by Mileena

science
On Earth as a whole, what happens to most of the presipitation? 1 It recharges the soil moisture deflict. 2 it becomes runoff and moves o the oceans. 3 it is store in the soil as capillary oceans. 4 it is returned to the atmosphere through evaporation and transpiration.
February 11, 2009 by Anonymous

Math
A stem-and-leaf plot shows the heights in centimeters of Teddy Bear sunflowers grown in two different types of soil. Soil A Soil B 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 Key:9|6 means 69 Key: 5|8 means 58 a) Describe the overlap of the two sets of data. b) Calculate...
May 16, 2013 by Miae

MATH! PLEASE HELP
The stem-and-leaf plot shows the heights in centimeters of Teddy Bear sunflowers grown in two different types of soil. Soil A Soil B 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 Key 9|6 means 69 Key 5|8 means 58 a Describe the overlap of the two sets of data b Calculate ...
May 19, 2014 by yolo

Math7
The stem-and-leaf plot shows the heights in centimeters of Teddy Bear sunflowers grown in two different types of soil. Soil A Soil B 5 | 9 5 2 1 1| 6 | 39 510 | 7 | 023678 21| 8 | 3 0| 9 Key: 9|6 means 69,Key: 5|8 means 58 a) Describe the overlap of the two sets of data. b) ...
May 2, 2014 by moby

Chemistry, HELP!
1) If a soil had a pH of 5.5, how many milli-equivalents of acids would it have per 100 grams? 2) How many milli-equivalents of Ca need to be added to increase the pH of the soil to 6.8?
November 18, 2014 by Sam

Math - Mixed Numbers
Jared used 1 2/5 bags of soil for his garden. He is digging another garden that will need 1/5 as much soil as the original. How much will he use total? Is the answer 1 17/25 ?
October 1, 2014 by Conner

groundwater science
Hydraulic conductivity of soil fully saturated with water is greater than the K value for the soil fully saturated with tetrachloroethylene (PCE)
February 12, 2011 by ryan

science
I have to do a poster with the theme "Soil to Spoon" dealing with soil,forests and related to natural resources. Would you have any sugestions or links that would help me get started with this projest? Thank you for your help.
December 5, 2011 by jill

Science
a certain plant's roots contain higher concentrations of nitrates than the soil that surrounds them, which mechanism explains the movement of the nitrate from the soil into the plant's roots? is it facilitated diffusion
July 28, 2010 by Rose

Science
Which is the best description of bedrock A. Dark soil, rich in humus B. Coarse soil with little humus C. Decaying plant and animal matter D. Solid rock with some cracks b cause its the best
April 17, 2007 by Missy

science
1. Which of the following is evidence that groundwater cause erosion and deposition ? a) the formation of meanders b) the formation of large boulders in the desert c) the formation of alluvial fans d) the formation of stalagmites and stalactites in caverns 2. The mas of rock ...
March 10, 2014 by victoria

testing of materials
Could you please show me how to solve this problem ! The unit weight of a soil is 122 lb/ft^3 at a water content of 12.6%. The specific gravity of the soil is 2.72. Find dry unit weight,porosity,and degree of saturation.
February 8, 2011 by michael

english
i need help in forming these into good sentences ty 1. Microorganisms call soil their home as well, a single ounce of soil can contain over 100 million microorganisms. 2 mycelium makes dirt and The mycelium is usually hidden in the soil, in wood, or another food source 3.Soil ...
February 20, 2012 by English2ndlenguahe

Social Studies
When do you expect to find more surface run-off than soil infiltration? When water levels in rivers and streams are low When soil permeability is equal to the rate of precipitation When flooding occurs during a rainstorm When there are extensive summer drought conditions ...
October 22, 2014 by Sue

Math "Ms Sue"
The stem-and-leaf plot shows the heights in centimeters of Teddy Bear sunflowers grown in two different types of soil. Soil A Soil B 5 | 9 5 2 1 1| 6 | 39 510 | 7 | 023678 21| 8 | 3 0| 9 Key: 9|6 means 69,Key: 5|8 means 58 a) Describe the overlap of the two sets of data. b) ...
May 2, 2014 by moby

math
A geologist collected a 2.5-kg soil sample for analysis. If she only needs 20 grams of sample to perform the analysis, what percentage of the soil sample will be tested? Answer: .8% 2.5kg = 2500g 20/2500 = .008 = .8%
October 22, 2013 by cici

math
A geologist collected a 2.5-kg soil sample for analysis. If she only needs 20 grams of sample to perform the analysis, what percentage of the soil sample will be tested? Answer: .8% 2.5kg = 2500g 20/2500 = .008 = .8%
October 22, 2013 by cici

agricultural science
examples of planted in an acidic soil and examples of crops planted in an alkaline soil
February 20, 2012 by faith

biology
You are gardening and accidentally puncture your arm with a nail that was in the soil. No significant occurred but your arm was swollen. Recall that soil contains many microorganisms that could be pathogenic. Describe in detail the nonspecific and specific mechanisms that ...
April 7, 2011 by stella

MATH
A rectangular flower is 20 inches long,8 inches wide ,and 6 inches high . True of false. If andy fills the flower pot 2/3 full of soil, the expression 2/3(20 + 8 + 6) could be used to find the about of soil he needed.
February 27, 2011 by Dani

science
what would be the major result of long-term use of the same pesticide ona fruit orchard? a. reduced fruit production b. increased fruit production c. soil pollution d. salization of soil e. etiolation of leaves is it d?
August 31, 2009 by anna

Soil Science (PAW), HELP!!
a) If the silty clay loam soil profile is 1 meter deep, how much plant available water (cm) can potentially be held in the upper meter of soil? b) If the silty clay loam profile is 40 inches deep, how many inches of plant available water can potentially be held in the upper 40...
October 12, 2014 by Sam

science
Some plants grow best rich, well drained soil ? which kind of soil would be best for these plants ? a) clay b) sand c) clayey loam d) sandy loam
October 21, 2013 by victoria

Science
a certain plant's roots contain higher concentration of nitrate than the soil that surrounds them. Which of the fallowing mechanism explains the movement of nitrate from soil into the plant's roots? Active transport???
August 4, 2010 by Rose

math
filling a planter box with soil,each bag contains enough to fill 500cubic inches.if the base of the planter box is a 9 inch square & sides are 18 inches tall,how many bags of soil are needed?
April 12, 2011 by cathy

science
which businesses would changes impact the most from biogeochemical cycles? Businesses involved in their products: fertilizers, soil conditioners, soil bacteria, etc. Businesses related to enzyme reaction products: Sugar Syrup (from wood chips), medicines, etc.
April 25, 2007 by pearl

Science
A student puts different types of soil into 2 pots and pours the same amount of water into the pots. How can she find out how much water stays in each type of soil? A By weighin each pot B By looking at the pot C Measuring amount of water that drained from pot D Plant seed in ...
November 14, 2006 by Jenny

9th grade
soil dwelling insects are examples of invertabrates. explain why this statement is true and use examples of two soil dwelling insects
March 23, 2010 by emily

science
An abiotic factor that starts with c and the clue is soil type. So what is a soil type that starts with C?
April 4, 2011 by Zac

Math
The stem-and-leaf plot shows the heights in centimeters of Teddy Bear sunflowers grown in two different types of soil. Soil A 65,62,61,61 75,71,70 82,81 90 Soil B 59 63,69 70,72,73,76,77,78 83 a) Describe the overlap of the two sets of data. b) Calculate the mean of each data ...
May 16, 2013 by Miae

Math
A rectangular flowerpot is 20 inches long 8 inches wide and 6 inches high. true or false if andy fills the flowerpot 2/3 fullof potting soil the expression 2/3(20 + 8 + 6) could be used to find the amount of potting soil he needed
December 5, 2010 by Lisa

soil!
In what ways is soil pH and light the two critical factors for plant growth in the Boreal Forest? Please only post your question once. Double posting sidetracks tutors and wastes time that could be better spent on other posts. See my response to your other post. I hope this ...
August 10, 2006 by borreal forest!

science
a certain's plant root contain higher concentrations of nitrate than the soil that surrounds them. Which mechanism explains the movement of nitrates form the soil into the plant's roots? a)osmosis b)facilitated diffusion c)active transport d)filtration I chose c) active ...
August 7, 2010 by nancy

Math
Land growing continuous grain corn as a cash crop loses soil at a rate of 14.0 metric tonnes ha-1 yr-1. This is a fertile soil, which has an organic matter content of 3.8% and nitrogen content of 0.35% (both by mass). a)Calculate how long it will take to erode the entire Ah ...
November 12, 2009 by Ramya

soil mechanics
total normal stresses of 110 and 40 kpa are applied to two planes at right angles in an element of soil. the shear stress acting on those palnes is 20 kpa. what must be the value of the pore pressure in the element if the minor principle stress in the elemnt is to be zero?
September 19, 2010 by nick

Science/English
writeacher, I urgently need the help of a science expert to help me determine the possible scientific objectives (biochemical) of a project on biodiversity on water. What else can be included? The project is addressed to 16-year-old students with an intermediate level of ...
January 26, 2012 by Henry2

science
A large area of land is cleared to build a new school. how does this affect the area. A)it increases soil erosion B)it decreases soil erosion C)it increases groundwater D)it decreases surface runoff
September 15, 2011 by MIKI

Chemistry
• Describe the properties of acids and bases and explain the concept of pH • How will you measure the pH of the soil in your garden • How will pH affect materials and equipment you might use in gardening. • 3 vegetables and 3 flowers that would work well together in a small ...
March 24, 2013 by Juan

check geo
What are the most abundant resources in this region? A)soil and coal B)minerals and soil C)water and soil D)minerals and water my choose is b most europeans who came to africa south of sahara between 1400s and 1700s? A)avoided the african interior B)explored the african ...
September 10, 2009 by henry

math
Lydia Rise us building a terraium and needs to buy two sizes of gravel and soil to go in the bottom. The terraiun is 24 in longs, 14 in wide, and 15 in tall. A.The bottom layer is pea gravel and needs to be 2 inches deep. How many cubic inches will she need? B. The second ...
March 11, 2010 by Hobo

Science
In order to prevent a mass erosion event, like we experienced in 1930's Dust Bowl event, which of the following should farmers do? A.) remove worms, ants, and other organisms that live in the soil B.) Keep the land irrigated C.) remove native grasses D. plant the same crop ...
March 1, 2014 by Cassie

Geometry
Company "A" sells soil at 11 cents per cubic foot. While company "B" sells it at 3 dollars per cubic yard. You need to have 20 cubic yards of soil planted. What is the better company to go with? and how much will you save?
July 10, 2012 by Devin

science
What occurs in wind erosion? A. Wet soil is transported away. B. Dry soil is transported away. C. Small rocks are left behind. D. Large rocks are left behind. is it b or d
July 13, 2009 by me

Check for mistakes plz
The Tundra is a biome that can be found around the arctic circle. The Tundra includes northern Asia, North America, and Greenland. The word Tundra is from the finnish word for barren or treeless land. The Tundra has very poor soil due to permafrost, permanetly frozen sub-soil...
April 6, 2009 by Sam

Geography
What soil factors influence type of vegetation in a region? My answer: Such factors as depth, texture and human content of the soil influence type of vegetation in a region.
September 3, 2013 by Anonymous

science
The Tundra is a biome that can be found around the arctic circle. The Tundra includes northern Asia, North America, and Greenland. The word Tundra is from the finnish word for barren or treeless land. The Tundra has very poor soil due to permafrost, permanetly frozen sub-soil...
April 7, 2009 by Sam

Science, HELP!!! URGENT!
a) If the silty clay loam soil profile is 1 meter deep, how much plant available water (cm) can potentially be held in the upper meter of soil? b) If the silty clay loam profile is 40 inches deep, how many inches of plant available water can potentially be held in the upper 40...
October 12, 2014 by Ronnie

analytical chemistry
Suppose a 4.272 g soil sample undergoes an extraction with 50 ml of extracting solvent to remove the lead. This 50 ml was then diluted to 250 ml and tested by atomic absorption technique. The concentration of lead in this diluted extract was found to be 35.7 ppm. What is the ...
March 5, 2014 by Lori

science pls help asap!!!
Which of the following statements about continental glacial movement is correct? A. continental glaciers can only flow uphill b. continental glaciers can flow in all directions*** c. continental glaciers can only flow downhill d. continental glaciers do not flow at all. A ...
June 5, 2014 by TTR+S<3

Science
Which contains only abiotic factors? A.firewood wind and fish B. water wind and soil C. rocks soil and grass D. water grass and firewood Answer : b Which is not a type of grassland Savanna Plains prairie sahara Answer : sahara Which is not a characteristic of grasslsnds A. dry...
February 4, 2014 by Jerald

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