Answer:
The proportion of oxygen went up because of photosynthesis by plants. The proportion of carbon dioxide went down because: it was locked up in sedimentary rocks (such as limestone) and in fossil fuels. it was absorbed by plants for photosynthesis.
Explanation:
Answer: True
Explanation:
The cerebrum and the cerebellum are parts of brain:
Cerebellum: lies under the cerebrum. Its purpose is to coordinate movements of the muscles, to maintain posture and balance.
Cerebrum: is the main portion of the brain, which consists of hemispheres right and left. It performs higher functions such as reading vision, touch, hearing, reasoning, emotions, and thinking.
They both contain a gray mater in their surface cortex and deeper nuclie whose function is related to motor control, coordination , precision, and balance.
Hence, the statement is true.
The use of more resources lead to a decrease in resources, therefore the need for more resources. More people means the more need for shelter. More people means more industrialisation to provide for the needs and wants of life.
Answer:
Cellular respiration occurs in the mitochondria is the correct statement
Explanation:
