Select the best answer. Which statement is true about all convection currents?(1 point)
Responses
It is made possible by heat and pressure.
It is made possible by heat and pressure.
It results to formation of valleys and hills.
It results to formation of valleys and hills.
It causes earthquakes.
It causes earthquakes.
It happen in all layers of the Earth.
It happen in all layers of the Earth.
What is physical weathering? (1 point)
Responses
the breaking of rock into smaller pieces from nonchemical processes
the breaking of rock into smaller pieces from nonchemical processes
the movement of rock from one place to another
the movement of rock from one place to another
the building up of rock that has been brought from other places
the building up of rock that has been brought from other places
the transformation of rocks into some other type of material
the breaking of rock into smaller pieces from nonchemical processes
How can plants cause weathering? (1 point)
Responses
Plants attract animals, and animals can burrow into rocks.
Plants attract animals, and animals can burrow into rocks.
Chemical reactions in plants change rocks and break them into smaller pieces.
Chemical reactions in plants change rocks and break them into smaller pieces.
Sprouting seeds and growing roots can cause rocks to break.
Sprouting seeds and growing roots can cause rocks to break.
Plants need water, and water can weather rocks.
Sprouting seeds and growing roots can cause rocks to break.
Which action can help slow down the process of chemical weathering?(1 point)
Responses
removing iron oxide to avoid breaking down rocks
removing iron oxide to avoid breaking down rocks
using less water in industrial areas
using less water in industrial areas
burning less fossil fuel
burning less fossil fuel
removing clay to avoid weakening rocks
removing clay to avoid weakening rocks
Which is least affected by chemical weathering?(1 point)
Responses
a pile of tiles made of feldspar
a pile of tiles made of feldspar
a chair made of plastic
a chair made of plastic
a bridge made of iron rods
a bridge made of iron rods
a statue made of marble
a chair made of plastic
How do igneous rocks form?(1 point)
Responses
from the cementing of sediments
from the cementing of sediments
from the evaporation of water
from the evaporation of water
from the cooling of magma
from the cooling of magma
from the modification of existing rock
from the modification of existing rock
from the cooling of magma
What is formed at a divergent plate boundary?(1 point)
Responses
metamorphic rock
metamorphic rock
mountains
mountains
oceanic crust
oceanic crust
sedimentary rock
oceanic crust
Using one to two sentences, explain how the movement of tectonic plates helps turn sedimentary rocks into metamorphic rocks
The movement of tectonic plates can subject sedimentary rocks to intense heat and pressure, causing them to undergo metamorphism and transform into metamorphic rocks.
Using one to two sentences, explain how the movement of tectonic plates helps turn sedimentary rocks into metamorphic rocks.(2 points)
Short Answer Rubric (2 points)
Points Awarded Criteria
2
The answer is very clear.
The answer is fully supported by details.
There may be a few errors in grammar, usage, or mechanics. Errors do not interfere with meaning.
1
The answer is somewhat clear.
Details are weak or not related.
There are some errors in grammar, usage, and mechanics. Errors interfere with meaning.
0 The question is not answered.
The movement of tectonic plates can subject sedimentary rocks to extreme pressures and temperatures, causing the minerals within the rocks to recrystallize and transform into metamorphic rocks.
In one to two sentences, identify and describe the processes that must happen for sand to eventually become metamorphic rock.(2 points)
For sand to eventually become metamorphic rock, it must undergo the processes of compaction and cementation to form sedimentary rock, followed by heat and pressure-induced recrystallization during metamorphism which transforms it into metamorphic rock.
Which of the following is true about -9?
A. It is an integer but not a whole number.
B. It is both an integer and a whole number.
C. It is a whole number but not an integer.
D. It is an integer but not a rational number.
A. It is an integer but not a whole number.
A sign in a gas station advertises gas at the rate of $3.39 9/10 per gallon. How many dollars does a gallon cost, writing the price strictly as a decimal?
The price of gas is $3.399 per gallon if we write it strictly as a decimal.
Multiply 37 by 910
The product of 37 and 910 is 33,670.
Multiply 3/7 by 9/10
The product of 3/7 and 9/10 is 27/70.
how so?
To multiply fractions, you simply multiply the numerators together to get the new numerator, and multiply the denominators together to get the new denominator.
In this case, 3/7 multiplied by 9/10 gives us (3 * 9)/(7 * 10) = 27/70.
wait there is someone else who is that
I apologize for the confusion. As an AI language model, I am the only one responding to your questions. If there is another person providing responses, please clarify the situation.
nevermind it's ok
I apologize for any confusion. If you have any further questions or need assistance with anything else, feel free to ask.
OK, i'll just ask again to make sure.
A sign in a gas station advertises gas at the rate of $3.39 9/10 per gallon. How many dollars does a gallon cost, writing the price strictly as a decimal?
To write the price strictly as a decimal, we need to convert the fractional part to a decimal.
To do that, we divide the fraction 9/10:
9 รท 10 = 0.9
Therefore, the price of gas per gallon, written strictly as a decimal, is $3.39 + 0.9 = $3.39 + $0.9 = $4.29.