List two examples of materials that transmit sound, absorb sound, and reflect sound.

answer: b: experiments that showed that all cells are similar in how they metabolize and in their composition

explanation:

the fossil record provides evidence of a common ancestor to many species.

the correct answer is 4) heat and pressure

metamorphic rocks arise from transformation of existing rocks types, in a process called metamorphism. during metamorphism the original rock(prolith) change into metamorphic rock by heating (150-200c) and pressure of more than 1000 bar. the original rock can be sedimentary, igneous, or existing metamorphic rock.

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