Auroras are lights that appear at earth’s northern and southern poles. what is the main cause of an aurora? 1.solar wind enters earth’s atmosphere, and particles interact with ions. 2.bubbles of gas are ejected from earth’s outer crust. 3.sunlight reflects off the surface of the moon during an eclipse. 4.the northern and southern poles are cooler than the rest of earth.
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Biology, 20.06.2019 18:04
After which event could you say that evolution has occurred? question 1 options: an allele frequency changes in a population. a white-eyed fly is born into a population of brown-eyed flies. a new predator comes into an environment. an animal gets fat.
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Biology, 21.06.2019 13:50
Which of the following is a question of morality? a.) delierately reporting false data b.) accidentally reporting false data c.) kepping a sloppy record of experimental observation d.) condition a drug experiment which will harm a lab rats
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Biology, 21.06.2019 15:30
Which list shows the levels of organization of an organism in hierarchical order from left to right, from the smallest to the most complex?
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Biology, 21.06.2019 20:00
Many people try to eliminate fat from their diets. which is one reason it is necessary for humans to eat fat? a. eating fat is the fastest way to get energy. b. fat eliminates triglycerides from the body. c. saturated fats clear out the blood vessels. d. fat nerves transmit signals. , this is for apex in summer school.
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Auroras are lights that appear at earth’s northern and southern poles. what is the main cause of an...
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