Which term best describes the environmental factor that can cause mutations of skin cells when overexposed for long periods of time? UV radiation A mutation that occurs in an organism that reproduces sexually will most likely affect the traits of the offspring if the mutation:
Confidence votes 3.2K. A quarter of a year is 91,25 days or three months. Every leap year the quarter of a year is 91,5 days or three months.
1 A trimester system divides the academic year into three terms which can be as short as eight weeks or as long as 16 weeks each. 2  A quarter system divides the academic year into four terms, up to 12 weeks each, and generally counts the summer as one of the terms. semester (from the Latin meaning six-monthly) has come to mean either of two academic terms, generally excluding the summer or January terms, if any, and so can be 12 to 20 weeks long. The word semester is sometimes used as a synonym for a term, as in a summer semester.