Ques:You are presented with the question "What feature allows frogs to absorb substances from the environment?" and the following answer choices: - four limbs - poison dart frog - hydrate their cells - permeable skin - layers of fat - a cuticle - predators - double eyelid Now knowing that amphibians have permeable skin that easily absorbs substances from the environment and all frogs are amphibians, choose the best answer.

Ans:permeable skin
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Ques:You are presented with the question "What do windmills use to convert energy?" and the following answer choices: - Heat - fibers - copper - cycles - SO2 - Vanes - calcite - Lift Now knowing that awindmill converts wind energy into electricity primarily by using mechanical energy and windmills tap into the energy of the wind using sails or vanes, choose the best answer.

Ans:Vanes
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Ques:You are presented with the question "The vanes rotating in an electric fan causes" and the following answer choices: - sound - heat - wind - current - motion - speed - Lift - vibration Now knowing that the vanes rotating in an electric fan causes air to move and all wind is simply air moving, choose the best answer.

Ans:wind
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Ques:You are presented with the question "Hostility can be one outcome of:" and the following answer choices: - relocation - behavior research - decrease stamina - forces - fungi - competition - tolerance - Gunshots Now knowing that competition may lead to aggressive behaviors or displays of aggression and frequently their behavior is aggressively hostile, choose the best answer.

Ans:
competition
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