1. elephant seals from antarctica dive into the ocean more than 1,500 meters deep at a time—nearly a mile. a seal can stay underwater for an hour or longer. to do that, the seal stores oxygen in its blood cells that is slowly released as it dives. the seal does not expend any extra energy releasing the oxygen stored in its blood cells. do you think passive or active transport is at work in the blood cells of the elephant seal? explain your answer.

the national environmental policy act (nepa) is a united states environmental law that promotes the enhancement of the environment and established the president's council on environmental quality (ceq). the law was enacted on january 1, 1970. to date, more than 100 nations around the world have enacted national environmental policies modeled after nepa.

i think that c)gold was found there

but i am not sure

correct answer: understand the different control methods available

integrated pest management is an strategy that is based on the ecosystem and try to prevent the pest and the damage caused by them by applying combination of technique like habitat manipulation, biological control and use of resistant varieties.

the main aim of the integrated pest management is not to completely eliminate the pest but to strengthen the ecosystem so that conditions are favorable for plants and unfavorable for pests.

a. seed plant structure. 1. the three main plant organs are roots, stems, and leaves. a fourth kind of tissue, meristematic tissue, is responsible for plant growth. meristematic tissue is the only plant tissue that produces new cells by mitosis. plants can lose water out of their leaves as they exchange gases with the air

explanation: