A frog's skin is permeable to oxygen and carbon dioxide. When a frog is swimming in pond water, in which directions will oxygen and carbon dioxide
diffuse?
from the frog's skin
into the water
from the water into
the frog's skin
A
oxygen
carbon dioxide
carbon dioxide and oxygen
B
с
oxygen
carbon dioxide
D
carbon dioxide and oxygen

Describe speciation of the galapagos island finches in terms of geographic isolation

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

What happens as electrons move along the chain of molecules known as the electron transport chain? they gain energy, which causes atp molecules to lose phosphate groups. they gain energy, which causes h *ions to join with oxygen to produce water. they lose energy, which is then used by the cell to make atp. they lose energy, which is then used to break down atp.