Homocysteine is bad for the heart because it can

a. cause very rapid weight gain.
b. damage the protective layers of the artery walls, which can ultimately lead to heart disease.
c. prevent the benefits of exercise from occurring.
d. make the heart beat more slowly.

Assume you were going to teach this information to a group of seventh graders. pick a title for your presentation that would make the seventh graders want to listen to you.

Increased use of cocaine can reduce the period of stimulation. true or false

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.