Mrs hernandez is explaining how gravitational forces of the moon and the sun pull the water in earths ocean causing tides he uses a basketball to represent the sun and a golf ball to represent the moon what would be a good object to represent earth and to show the effect of gravity on it

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

Which greenhouse gas is emitted when burn fossil fuels for energy? a.nitrogen b.oxygen c.carbon dioxide d.helium

Membrane vesicles containing an internal sodium chloride (nacl) concentration of 0.14 m are placed into separate beakers each containing a different solution. the first beaker contains 0.14 m sucrose, while the second beaker contains 0.14 m calcium chloride (cacl2). the temperature is 25°c. what is the solute potential inside the vesicles, expressed in units of mpa?