What causes seafloor spreading?

A) magma from convection currents

B) gas leaks

C) divergent boundaries

D) hurricanes

Fill in the blanks with the correct word. During diffusion, molecules move from areas of concentration to areas of concentration. Diffusion does not require to move molecules.

Of the three phases of matter, which phase has the greatest density for most substances?

Which statement best describes the process of muscle contraction?

True or False: Bacteria that do not have flagella are never moved from one place to another.

What is another name for semi-permeable?

Flower color in a particular plant species is determined by one gene. The alleles of that gene can code for either red flowers or blue flowers. When a red plant and a blue plant are crossed, some of the offspring produce purple flowers.

Which is not an effect of smoking on the cardiovascular system? it contributes to atherosclerosis. it increases the blood's tendency to clot. it increases blood cholesterol. it increases the size of arteries and veins?

Mention the importance of pancreas

What substance is insoluble in water? quartz vinegar sugar salt

Curly hair, large nose, brown eyes: our give the instructions that determine human traits, like these?