In this image, what must the students' muscles do to pull the rope?
twitch and tighten
relax and twitch
tighten and contract
contract and relax

Which shows a correct order of steps in the scientific method? develop a hypothesis, analyze data, draw conclusions, make observations develop a hypothesis, analyze data, make observations, draw conclusions make observations, develop a hypothesis, analyze data, draw conclusions make observations, draw conclusions, develop a hypothesis, analyze data.

How much of the body is affected by chemotherapy

Where are teens exposed to ads about tobacco products? on the radio in magazines near schools on television