Ques:You are presented with the question "What changes into coal when buried under soil and mud?" and the following answer choices:  - rocks  - sun  - animals  - cellulose  - moon  - plants  - Newton  - tunicates  Now knowing that being burried under soil and mud changes peat into coal through extreme heat and pressure in a swamp over a long period of time and dead plants provide peat moss, choose the best answer.

Ans:plants
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Ques:You are presented with the question "What is energy used for?" and the following answer choices:  - heating buildings  - courtship  - reversing time  - Plants growth  - Quality of life  - to stay warm  - destroying matter  - teleportation  Now knowing that electricity sometimes is used for heating buildings and electrical energy is also energy, choose the best answer.

Ans:heating buildings
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Ques:You are presented with the question "What is used for adjusting to hot temperatures by some animals?" and the following answer choices:  - secretion  - autoregulation  - evaporation  - hibernation  - hormones  - hydration  - perspiration  - Pituitary gland  Now knowing that sweat is used for adjusting to hot temperatures by some animals and perspiration is produced by sweat glands in the skin and is secreted through pores, choose the best answer.

Ans:perspiration
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Ques:You are presented with the question "Most animals with external skeletons and jointed legs are what?" and the following answer choices:  - homogenous  - spiders  - animals  - mechanical  - strong  - octopus  - insects  - scorpions  Now knowing that most arthropods are insects and arthropods are animals with external skeletons and jointed legs, choose the best answer.

Ans:
insects
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