Answer:
Covalent bonding occurs when pairs of electrons are shared by atoms. Atoms will covalently bond with other atoms in order to gain more stability, which is gained by forming a full electron shell. By sharing their outer most (valence) electrons, atoms can fill up their outer electron shell and gain stability
The answer is D.
D. Seedling stage
Answer:
Type O
Explanation:
Type O can donate red blood cells to anybody. It's the universal donor. Group AB can donate to other AB's but can receive from all others.
I can't see the whole image, but I would say A, since it is the only statement. B and D are steps in the experiment, and D is a question, not a statement.
clean cotton cloth is used to collect fresh liquid blood evidenced at crime sense.