<span>Blood is a liquid and has cellular parts. The liquid contains substances such as proteins and lipids. The cellular constituents are erythrocytes (red blood cells), leukocytes and platelets.</span>
The weak bonds are called hydrogen bonds and they are used to connect the hydrogen atom to oxygen atom in order to share electrons.
Answer: Amount of sunlight absorbed
Explanation:
The amount of sunlight absorbed by the body affect the color of the individual. Rest all the factors that affects the color of the individual are genetic factors.
The person who absorbs more sunlight will have more melanin concentration or amount in their cells as as compared to the person who absorbs less sunlight.
Hence, the correct answer is option sunlight absorbed.
Hi
Please find all answers in attached file.
Hope they help!
D. scientists can easily tell which variable caused the results.
Good luck!