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Science and Technology
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Questions (7,168)
Four rivers have the same volume of water flow over time but fall from different heights to power hydroelectric dams. Which dam
1 answer
asked anonymously
81 views
Analyze the dominance of China in the hi-tech industry. What scarce resource is extracted from the Earth to support this
1 answer
asked anonymously
162 views
How do you do the hybridization of CBr4?
3 answers
asked by
erin
3,904 views
What are the advantages of using nuclear fusion instead of nuclear fission to generate electrical energy?
1 answer
asked anonymously
41 views
A product designer wants to choose a raw material as an insulator. The material should be minimally reactive to heat. Which
1 answer
asked by
Chrissy
69 views
So I have to do this project on simple machines. The invention we need to make should have at least 2 simple machines on it. We
1 answer
asked by
Anono
484 views
Analyze the dominance of China in the hi-tech industry. What scarce resource is extracted from the Earth to support this
1 answer
asked anonymously
247 views
The table shows information about four ways which wave has the lowest frequency we have L as 120 and 600 M as 150 and 600 and as
1 answer
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50 views
Which statement best describes the reflection of a wave?(1 point)
Responses A wave fails to reach the surface of a material. A
1 answer
asked by
I hate math
68 views
What is nanotechnology ? write some application of nanotechnology.
1 answer
asked by
Torpa
35 views
Solar weather is defined as the (unchanging, dynamic) conditions in (Earth's, the Sun's) outer space environment. Solar weather
1 answer
asked by
sleepy
34 views
Which of the following water filtration methods requires the use of a membrane or filter? (1 point)
• reverse osmosis •
1 answer
asked anonymously
35 views
Which best explains why lithium should be extracted from recycled lithium-ion batteries?
(1 point) • Lithium is inexpensive to
1 answer
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40 views
What is mechanical advantage?
a The number of times the machine adds the effort force b The number of times the machine divides
1 answer
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24 views
What challenges would you expect scientists to face when growing plants in space? What challenges will the astronauts have with
1 answer
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33 views
Solar cells are used to power a person’s house. Which statement about the process is correct?
1 answer
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71 views
A circuit in a home provides power to a light fixture. The homeowners want to use a compact fluorescent bulb instead of an
9 answers
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134 views
What is one benefit of mapping the human genome?
locating the chromosomal abnormalities that cause disease having the genomes of
1 answer
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23 views
You are building a program that will monitor the amount of emissions that come from a car. What kind of problem is this program
1 answer
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35 views
Analyze, how semi conductors demonstrate interdependence between Texas in the world
1 answer
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44 views
Which statement connects how innovations in science and technology contributed to changes in social and cultural life in the
1 answer
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20 views
Alternative Energy Resources Quick Check
1 of 31 of 3 ItemsPause Question Why is solar energy a viable alternative energy
1 answer
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67 views
For over a decade, farmers in the U.S. have been planting genetically modified crops. An example of one of these crops is corn
1 answer
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28 views
kekkleton
7 answers
asked anonymously
10 views
Many people have strong feelings about genetically modified foods. There are benefits and concerns. Consider what you have read.
1 answer
asked by
Bot
25 views
explain how clay is used in everyday life.
1 answer
asked by
Nucky
17 views
Georgia has access to harness energy from renewable resources because much of Georgia is forests. Using the resources available
1 answer
asked by
uh that it girl
24 views
What are the different design and operational factors that affect the efficiency of sedimentation in water treatment.
1 answer
asked by
Rajesh
3 views
In designing rotating space stations to provide for artificial-gravity environments, one of the constraints that must be
5 answers
asked by
Dawn
4,967 views
what is the main composition of the brushes of the dc motor?
7 answers
asked by
tumelo
2,451 views
a solar panel is exposed to 55 W of sunlight and produces 2,640 J of electrical energy in 1 minute. What is the efficiency of
2 answers
asked anonymously
89 views
what dominant colour appears for the mercury street bulb
4 answers
asked by
clement
1,230 views
Explanation of the experiment relating to the theme:wind power
2 answers
asked anonymously
101 views
Help me pls!
In one or two sentences, explain how an increase in the number of charging stations would influence the decision to
3 answers
asked by
Queen
449 views
How were the ancient Egyptians’ advancements in the fields of astronomy and mathematics helpful to farmers?
For mathematics it
21 answers
asked by
Alex_The_Wolf
5,762 views
If Noah made skid marks of 350 ft long after a car accident, was he overspeeding before the event?
1 answer
asked by
McKenna Louise
389 views
A students finds a resistance in a transistor radio. When the resistance is connected to a battery of 1.5 volts, the current is
2 answers
asked by
Anonymous
538 views
10 Natural and 10 artificial simple structures and mechanisms electronics system
2 answers
asked by
Bilal
114 views
Explaination of the experiment relating to the theme: life and living things
Force and movement Wind power
2 answers
asked anonymously
252 views
Large airborne particles are filtered by
2 answers
asked anonymously
91 views
Nanotechnology is proving ineffective at helping clean up PCB’s.
Please select the best answer from the choices provided T F
2 answers
asked anonymously
56 views
What is the energy conversion that happens inside a battery?
a Electrical Energy to Kinetic Energy b Chemical Energy to
1 answer
asked by
kali
122 views
What happen in a hydraulic system when pressure is exerted in one part of the system
2 answers
asked anonymously
77 views
Thank you very much. I forgot to include the following sentences.
1) Refer to situations in which robotic planes have proved to
1 answer
asked by
Mike
435 views
Convergence and divergence
1 answer
asked by
Fuad Faji Jemal
74 views
Read the 2 articles
Genetically Modified Salmon Can Feed The World & Say No To Genetically Engineered Salmon The articles are on
7 answers
asked by
Analyzing Text Portfolio
916 views
A typical volume of a modern hot air balloon is 2500 cubic metres, and a typical maximum temperature of the hot air is 120
4 answers
asked by
nina Johnson
916 views
Once the catastrophic event occurs (but BEFORE the end of the episode), does Henry's quality of life increase or decrease?
2 answers
asked anonymously
65 views
What is the most important materials for making cement?
2 answers
asked anonymously
106 views
What kind of tool is a plane? Explain its use
2 answers
asked by
Zara
94 views
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