*Question*
You are presented with the question "What is an example of an insulating material that can be worn?" and the following answer choices: - Copper - sawdust - coat - fiberglass - foam - hats - pine - PDAs Now knowing that insulated material can be used for keeping warm and coats and blankets to keep warm, choose the best answer.
**Answer**
coat

*Question*
You are presented with the question "The moon's gravitational pull on Earth 's oceans causes the vertical movement of what?" and the following answer choices: - oceans - rivers - matter - waves - deserts - asteroids - the sun - water Now knowing that the gravitational pull of the Moon on Earth 's oceans causes the tides and tides A tide is vertical movement of water, choose the best answer.
**Answer**
water

*Question*
You are presented with the question "what can be used to kill existing microorganisms in food?" and the following answer choices: - chemical changes - Dehydration - deoxyribonucleic acid - bacteria - an electron microscope - hydration - electromagnetic energy - single-celled organisms Now knowing that irradiating food can be used to kill existing microorganisms in the food and irradiation causes chemical changes, choose the best answer.
**Answer**
chemical changes

*Question*
You are presented with the question "What occurs over geologic time above the level of the species." and the following answer choices: - Warm air moving into cold air - wind and erosion - remains of prehistoric life - tectonic plates being pushed together - Something with a head, thorax, and abdomen - The area was once underwater - Species changing to another. - movement of tectonic plates Now knowing that macroevolution is evolution over geologic time above the level of the species and macroevolution is said to be the change from one species to another, choose the best answer.
**Answer**
Species changing to another.