You are presented with the question "What can cause death?" and the following answer choices: - carcinogens - rivalry - smoking tobacco - Heavy rains - happiness - treatment - Pesticides - high temperature Now knowing that most carcinogens cause cancer by producing mutations in DNA and cancer can cause death, choose the best answer.
carcinogens

You are presented with the question "What slows the transfer of heat?" and the following answer choices: - moss - coat - CFCs - UV - foil - fur - skin - ice Now knowing that athermal insulator slows the transfer of heat and ice is a good thermal insulator, choose the best answer.
ice

You are presented with the question "what is used to produce electricity by burning?" and the following answer choices: - air - heat - energy - cells - calcite - hydrogen - fire - ethanol Now knowing that biofuel is used to produce electricity by burning and ethanol is the most widely used biofuel today, choose the best answer.
ethanol

You are presented with the question "What do animals try do in winter?" and the following answer choices: - shed fur - expand - ligt - rest - adapt - use an adapter - survive - die Now knowing that animals adapt to cold temperatures and and in winter it s very cold, choose the best answer.
adapt