I only because i don't think that anything else is right.
Answer:
Egyptian civilization developed along the Nile River in large part because the river's annual flooding ensured reliable, rich soil for growing crops. ... Ancient Egyptians developed wide-reaching trade networks along the Nile, in the Red Sea, and in the Near East.
Explanation:
Photorespiration is when plants take in oxygen and light and release carbon dioxide. Contrary to photosynthesis. C3 plants have no system to minimize photorespiration, C4 plants minimize photoresperiation by separating the initial CO2 fixations and the Calvin cycle to be performed in different types of cells. CAM plants minimize photorespiration by taking CO2 by opening their stomata at night and then keeping the stomata closed during the day while they do photosynthesis.
Answer:
carbon, oxygen, neon, magnesium, sodium, iron
Explanation: Betelgeuse has become a red giant and has used up all of its hydrogen, so its helium is now fusing into heaveir elements such as the ones above.
It covers a more understandable distance that can be determined by a more reasonable unit of measure.
