Answer: A and D
Because photosynthesis takes in carbon dioxide and releases oxygen for people to breath
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Answer:
China's Tang Dynasty gave rise to a new “golden age” by trading along the Silk ... the later Ming Dynasty built on that with expansion across most of Afro-Eurasia. ... Each dynasty, however, differed in how well they maintained control over such an ... Buddhism, and Confucianism—along with the traditional Chinese beliefs of
Explanation:
Answer:
Compare the carboniferous period to the Devonian period is compared below in details.
Explanation:
In the Devonian Period, woods and land plants developed and vertebrates performed their presentation. Four-legged vertebrates developed during the Carboniferous Period, which created an improvement in the number of land-based bodies. The climate of the continental inland sections was very heated through the Devonian Period and usually quite dry while woods and land plants developed during the Carboniferous period.
Answer:
Respiratory system and circulatory system.
The respiratory system allow living things to obtain oxygen from the air while the circulatory system allows oxygen to be carried around the body.
