Which feature of the layers of Earth contributes to the various geological events? The crust being made of a single layer all over
The crust being of same thickness all over
The lower mantle being made of solid rock
The lower mantle being relatively hotter

Atypical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 5.000 nm thick. (a) what is the volume of the cell including the membrane? (b) what is the volume of the cell membrane? (c) what percent of the total volume does its membrane occupy? to simplify the calculations, model the cell as a sphere. enter your answers using four significant figures.

How does the study of genetic disorders such as pku biologists understand normal alleles?

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry