You are presented with the question "Hydropower requires what?" and the following answer choices: - a hydraulic system - increases a body's strength - helping to prevent floods - Electric generators - flow of electrons - energy of moving objects - power stations - fissures of hot, acidic water Now knowing that hydropower requires damming a river and many dams along rivers and creeks help prevent floods, choose the best answer.
helping to prevent floods
(Question)
You are presented with the question "what intends to cause harm or pain" and the following answer choices: - macaques - complex - A drug. - A computer - humans - animals - an object - Toxicity Now knowing that aggression is behavior that is intended to cause harm or pain and macaques are known for their aggressive behavior, choose the best answer.
(Answer)
macaques
Ques: You are presented with the question "What harms the respiratory and circulatory systems?" and the following answer choices: - Cars - oxygen - smoking - vehicles - emissions - gasoline - fresh air - lungs Now knowing that air pollution harms the respiratory and circulatory systems and smoking is a form of air pollution, choose the best answer.
Ans: smoking
(Q).
You are presented with the question "What is one thing that is not bad for a habitat?" and the following answer choices: - salt and water. - riding a motorcycle - genetic diversity - riding a car - Quality of life - food and shelter - riding an airplane - riding a bike Now knowing that riding a bike does not cause pollution and pollution One of the ways habitat is degraded is by pollution, choose the best answer.
(A).
riding a bike
Ques:You are presented with the question "what can blow air?" and the following answer choices: - wind - gravity - density - volume - humans - heat energy - some mammals - referees Now knowing that blowing air into a whistle causes air to vibrate inside the whistle and referee's whistle blows, choose the best answer.

Ans:referees
Ques:You are presented with the question "what can affect the respiratory system?" and the following answer choices: - Pollution - mildew - gas - influenza - oxygen - bacteria - smallpox - gold Now knowing that amold spore has a negative impact on the respiratory system and mildew and mold spores are everywhere, choose the best answer.

Ans:
mildew