Answer:
True; all cells in a mature embryo can develop into muscle.
Explanation:
zinc = vision problems
calcium = bone thinning
vitamin a = poor wound healing
potassium = problems with fluid balance
Cancer is the uncontrolled growth of abnormal cells in the body. Cancer develops when the body's normal control mechanism stops working. Old cells do not die and instead grow out of control, forming new, abnormal cells. These extra cells may form a mass of tissue, called a tumor.
Answer: it is difficult because it is necessary to understand some concepts used in a system. For example what is a boundary, and environment which can be positive or negative, etc. A sample could be the course OpenLearn that provides an example of Computing & IT.
Explanation:
Answer:
the universe
Explanation:
the big bang theory is thought to be the creation of the beginning of everything