This was because one cannot view a single strain of DNA as it is too small for one to visually comprehend.
Answer: The skeletal system works as a support structure for your body. It gives the body its shape, allows movement, makes blood cells, provides protection for organs and stores minerals. The skeletal system is also called the musculoskeletal system.
Explanation:
Muscle, hair color, height are the 3 most common physical traits affected by the environment.
Answer:
the answer is d. Hope this helps