You are presented with the question "What happens to metal when heat passes through it?" and the following answer choices: - It sheds a layer of rust - kinetic energy - It expands - It turns into gold - electricity - mechanical - sweating - It contracts Now knowing that when metal conducts heat , that metal expands and conduction is the passing of heat through a medium, choose the best answer.
It expands

You are presented with the question "What causes thermal expansion?" and the following answer choices: - fear - cold - coal - energy - Sun - fire - ice - wind Now knowing that increasing heat causes thermal expansion and fire puts off heat, choose the best answer.
fire

You are presented with the question "what are endothermic?" and the following answer choices: - bacteria - sharks - dinosaurs - organs - brains - animals - crocodiles - mammals Now knowing that birds are endothermic tetrapod vertebrates and birds and mammals are endothermic, choose the best answer.
mammals

You are presented with the question "Which gland has the largest impact on human metabolism?" and the following answer choices: - three - Pituitary - Energy - Chlorophyll - Sweat - energy usage - Salivary - Mammary Now knowing that thyroid hormones increase the rate of metabolism in cells throughout the body and tSH, which is secreted by the pituitary gland, stimulates the thyroid gland to produce hormones, choose the best answer.
Pituitary