Which of the following does not contribute to water pollution?
A. factories
B. farms
C. human and animal waste
D. education

Which behavior is an example of poor self esteem

Write a paragraph about why the respiratory system is important and we need to breathe easily. (guys i really need ) x(

Melanocytes and keratinocytes work together in protecting the skin from uv damage when keratinocytes a. provide the melanocyte with a protective shield against abrasion b. maintain the appropriate temperature so the product of the melanocyte will not denature c. maintain the appropriate ph in order for the melanocyte to synthesize melanin granules d. accumulate the melanin granules on their superficial portion, forming a uv-blocking pigment layer