All organisms are composed of one or more cells. The cell is a basic unit of structure. All cells come from pre-existing cells.

Eleni and analisa are driving to ms. a's wedding. eleni is going east at a rate of 50 mph and analisa is driving south at 38 mph. at what is the distance between the cars changing when eleni is 1 mile and analisa is 3/4 mile from the wedding?

An object accelarates from rest to a velocity of 2.4m/s over a distance of 16m what was its accelaration

When the blood leaves the atria (upper chambers) where does it flow to? a. aorta b. lungs c. ventricles d. rest of the body