Lipid polymers are often created by numerous non-polar fatty acid chains with a polar head lined up. Which is the best explanation of the lipid structure. the polar head only lines up and touches the non-polar tail

the polar heads line up touching and the non-polar tails line up

there is no formation of a polymer lipid

the polar heads repel one another

answer: a. a gene that causes a specific trait.

d. planting trees

the trees take in carbon to make oxygen.

here is the answer

water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. weathering is the breaking down or dissolving of rocks and minerals on earths surface. once a rock has been broken down, a process called erosion transports the bits of rock and minerals away.