Jacob Riis, Ida Tarbell, and Margaret Sanger are<span>best known for their efforts to
(1) create awareness about social problems.</span>
Answer:
Because the war never came to an end, he uses the stairwell as if it were just going up/never ending.
Explanation:
I think it is A. Navigation Act
<u>Answer:</u>
<em>Oxygen levels would be higher, but carbon dioxide levels would be the same.
</em>
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<u>Explanation:</u>
The procedure by which living things convert oxygen and glucose to water and carbon, accordingly yielding vitality is called photosynthesis. It does not require the nearness of daylight and is continually happening in living life forms. Cell breath occurs in the mitochondria of cells.
Through these procedures, plants get the carbon dioxide they need, and living life forms get the oxygen they need. They are additionally crucial to the vitality trade that living things need to endure.
Answer:the competition for trade
Explanation:
