Answer:
C. Atomic Number
Explanation:
Atomic number, also known as proton number, never changes. Therefore it allows us to identify each atom.
To divide the sex cells or gametes
D. Scientists use all of the above skills.
Answer:
Both are two circulatory fluids of the body, Blood moves via blood vessels and lymph moves via lymphatic vessels. Blood transports gases, nutrients, and metabolic wastes. Lymph is draining of tissue fluid into the circulatory system. The major difference between blood and lymph is their function in the body.
