Which of the following is an ecoregion found in Texas? O. Tropical Rainforest
O. Mangrove Country
O. Tundra
O. Panhandle Plains

it is either c or d and i know for sure it is not a or b

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).   so the answer is a.

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.