Question: Choose your answer.

Which mixture can be easily separated by adding water and pouring it through a coffee filter?
My Answer: salt and sand

Question: Choose your answer.

In which environment is white fur color an advantage for survival?
My Answer: arctic tundra

Question: Choose your answer.

Scientists are discovering ways to make some crops use less water. A person working in which job would most benefit from this research?
My Answer: a farmer

Question: Choose your answer.

In a closed system, what happens to the total energy of the system as energy conversions take place?
My Answer:
It remains constant.