Is one of the seven elements that make up a small fraction, approximately 3.7%, of living cells?

The movement of molecules in a fluid or gas from a region of higher concentration to a region of lower concentration is called

When a chemical reaction occurs, the final resulting substances that are formed are called?

4. What type of charge does a proton have?

Describe two ways in which the movement of lithospheric plates can result in the formation of mountains.

Which increases along faults and leads to rock breaking? A) damage B) earthquake C) focus D) stress

The plasma membranes of some plant cells use transport proteins to move protons out of the cell against their concentration gradient (from areas of low proton concentration to areas of high proton concentration). this is an example of:

What is algae? and where is come from?

Are mushrooms biotic or abiotic

What type of blood vessels join arteries to veins

Fossils found in a cave at krapina, croatia, show evidence of: a. cannibalism. b. all of the above. c. speaking ability. d. pottery production.