Primary sources are papers written by researchers and should be the only sources used as background information in student research. A: True
B: False

What feature do plants have that provide structure and form?

Usha is giving a presentation on the cardiovascular system. one of her slides shows a diagram of the blood moving from the heart to the arms and legs. which type of circulation is the slide illustrating? systemic circulation pulmonary circulation systolic circulation diastolic circulation

Doing a science fair project should i do cafeteria waste or solar power