Ques: You are presented with the question "What can acetic acid do to the eyes?" and the following answer choices: - treat cataracts - harm them - Relieve pain - Dehydration - kill them - hydrate them - protect them - cleanse them Now knowing that vinegar can cause harm to the eyes and vinegar is dilute acetic acid, choose the best answer.
Ans: harm them

Ques: You are presented with the question "What causes rust?" and the following answer choices: - a pathogens - Roundworms - flow of electrons - dust - thunder - an amoebae - chemical weathering - skin Now knowing that chemical weathering causes iron in rock to oxidize and rust colored residues are due to oxidized iron, choose the best answer.
Ans: chemical weathering

Ques: You are presented with the question "What are chemical messengers?" and the following answer choices: - Acids - photons - androgens - basic - metal - Life forms - nerves - glucose Now knowing that sex hormones are chemical messengers that control sexual development and reproduction and androgens are male sex hormones, choose the best answer.
Ans: androgens

Ques: You are presented with the question "Magnetism can cause objects to do what to each other?" and the following answer choices: - alter composition - kill them - Movement - friction - lower the temperature - change color - push away - electrically Now knowing that magnetism can cause objects to repel each other and if two things have the same charge, they repel, or push away from each other, choose the best answer.
Ans:
push away