Question

question 3 0.5 pts how has the amount of microplastics in the central north pacific ocean changes over the last decade? this change was not described tripled remained the same halved doubled question 4 0.5 pts micro plastics are pieces of plastic that are less than 5 mm of length. which of the following are sources of microplastics? nurdles all of the above fragmentation of large piece of plastic microbead scrubbers found in face and body washes and exfoliants none of the above

Explanation:

For Question 3, scientific research has shown that the amount of micro - plastics in the Central North Pacific Ocean has generally increased and has been reported to have doubled over the last decade. For Question 4, nurdles are small pre - production plastic pellets, large plastic pieces can fragment into micro - plastics, and microbead scrubbers in personal care products are also sources of micro - plastics.

Answer:

Question 3: Doubled
Question 4: All of the above