Answer:
A) Changes in cell shape, size, and organization
Explanation:
Changes in cell shape, size and organisation suggests that a population of cells have changed identity. This could indicate the presence of mutations in the DNA that could lead to uncontrolled cell proliferation or abnormal cell types. These are indicative of tumorigenesis and potential pre-cancerous cells.
Probably the last one. It's the least realistic way to make your body healthy. If you are going to do exercise and make yourself healthy, friends would be helpful in that process and exercising is definitely a good way to be healthy.
because low self-esteem can lead to depression and make it hard for a person to have healthy relationships with others
