You are presented with the question "what dies if it becomes too cold?" and the following answer choices: - plants - starfish - trout - planets - trees - ice - bears - clouds Now knowing that if a living thing becomes too cold then that living thing will die and plants are also the oldest living things, choose the best answer.
plants

You are presented with the question "Arthropods have a life cycle with what?" and the following answer choices: - rapid expansion - survival - aerobic capacity - food and shelter - an organism's body - reproduce - barnacles - mixing genes up Now knowing that arthropods have a life cycle with sexual reproduction and sexual reproduction mixes the genes up more than is possible with asexual reproduction, choose the best answer.
mixing genes up

You are presented with the question "Which chemical added to water prevents illnesses? " and the following answer choices: - Glucose - evaporation - Chlorine. - sugar - Allergies - sweating - energy - hydration Now knowing that microorganisms can cause infections and chlorination uses liquid chlorine bleach to kill microorganisms, choose the best answer.
Chlorine.