Answer:
B) The first shell only holds 2 electrons so the 3rd electron had to go in the second shell.
Explanation:
Electrons fill up from smallest to largest, the first electron shell only holds 2 electrons, so the remaining electron had to go to the second shell.
Answer:
Cause it ain't healthy otherwise
Explanation:
Answer:
A. The smooth, clear rock layers
Explanation:
I belive the answer is all of the above
Answer:
A mutation is simply an error in the copying of DNA it generally does not have major effects. Mutations are changes in the DNA sequence.
Tumors form by an uncontrolled error in a stage of mitosis that continue to generate cells that aren't correct and eventually lead to tumors.
Explanation:
