6. Which trait MOST likely helps an animal survive in a very cold environment?
A) long ears
B) large eyes
C) thick fur
D) sharp claws

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

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.

Which two criteria must be met before scientist can use radiocarbon dating? explain your answer