Answer:
cells are so small so the surface area and volume of them can be proportional to each other. This helps with the efficiency of the cell's absorption and waste expulsion processes.
the element silver has two naturally occurring isotopes 109Ag and 107Ag with a mass of 106.905u. silver consists of 51.82% 107Ag and has an average atomic mass of 107.868u. calculate the mass of 109 Ag
Answers
106.905*0.5182+0.4818x=107.868 x=108.904 amu
No, it can have several different isotopes that have a weighted average atomic mass of 52 amu.
Use independent variable in a sentence
Answers
using an independent variable means that you are using the one thing in the entire expiriment that can really change for example color,texture
What is responsible for the changes that we see in the Moons shape
Answers
As the moon like orbits earth,it changes phases in an orderly way.
Any part of an experiment that cannot be changed is considered to be a(n)
Answers
The answer is a Constant
Heating causes an object to DXPENA
Answers
The word is expand.
What happens when red lead oxide is heated?
Answers
when red leadoxide is heated it gives lead and oxygen i think.