Answer:
Sunspot: Appears in groups, and is a dark area on the sun
Solar flare: Occurs near sunspots, and Extends into corona
Prominence: Appears as a loop, and is made of cool dense gas
Explanation:
I took the quiz
Answer:
Depending on its coloration and markings other animals might stay away from it if it had bright markings while one with muted colors could hide more easily. Depending on the environment certain colors and variations can allow the frog to survive because it is not seen or allow it to survive because other animals are afraid to eat it.
Explanation:
Broken down by the acids in your stomach
Answer:
B. A company that makes pain relief medication tests the effectiveness of their own medicine compared to that of three other brands.
Explanation:
In experimental bias the researcher is more likely to attempt to manipulate or produce results that show their work in a positive outcome. In this case, the company is aiming to perform research on their product that goes against their competitors.
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Answer:
Option C. It reduces the need for artificial fertilizers.
Explanation:
Crop rotation is a practice of growing different types of crop on the same piece of land in a year. Crop rotation is very beneficial for farmers because it reduces the cost of production by not using artificial fertilizers. In crop rotation, farmers grow leguminous crop in one season. Leguminous crop has the ability to produce fertilizer with the help of bacteria which is present in the nodules of roots. This fertilizer is enough for leguminous crop as well as the next crop so there is no need of artificial fertilizers.
