The movement of molecules from an area where there is a higher concentration of the substance to an area where there is a lower concentration of the substance

Which best describes meiosis? a. it produces cells that are identical to the original cell b. it is responsible for the replacement of damaged skin cells c. it is responsible for growth of the organism d. it produces male and female sex cells

Acommon kind of mechanical weathering is called

What are the 3 types of artificial cloning