If you double the charge on one of two charged objects, how does the force between them change? a. halves b. doubles c. triples d. does not change e. quadruples

Describe cytokinesis in plants and animals. in animals: in plants.

Three resistors are connected in series across a 15-v power supply. if the potential drops across resistors 1 and 2 are 4.1 volts and 3.1 volts, what is the exact potential drop (in volts) across resistor 3?

Scientists discovered fossils in several layers of the earth you see here. they found fossils of algae, snails, and clams in layer d. given that information, where do you think they found fossil evidence of simple land plants and amphibians?