Based on this genetic information, which phylogenetic tree is most parsimonious?.

you know they are heterozygous for a trait because they have it as jj or jj.

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.