Matter in an ecosystem. A) Flows only one way B) is part of an open system C) is eventually lost as heat D) is broken down into chemical nutrients

d

its the one that makes the most sense

rising temperatures because when water vapor in the air is cooled, it condenses. it turns back into a liquid and attaches to dust particles in the air. these very small water droplets group together to form clouds

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.