Scientist have made advancements in biotechnology which have improved the life of organisms. Which of the biotechnology methods below would be the most important to a person who has
diabetes and takes insulin every day?
testing parents for genetic disorders before they have children.
using recombinant DNA to produce human hormones from bacteria.
engineering fruits and vegetables that resist insects and other pests.
developing ways to identify criminals through DNA fingerprinting.

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Explanation:

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.