What makes a object hot or cold?

The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an

Cells destroy body cells infected by a virus or bacteria.

Which of these is not an example of molecular homology? 1. use of dna and rna as genetic material 2.use of glycolysis as the first step in cellular respiration in both plants and animals 3. the lack of an igf-1 gene in prokaryotes 4. the use of aldolase b to break down fructose in bacteria, plants and animals