Answer: A
Explanation:
Oxygen makes up another 20 to 21 percent of our atmosphere. It's essential for life on Earth, and interestingly enough, it is poisonous when highly concentrated. Our concentration of 20 to 21 percent seems just right.
Answer:
Jungles are open, interconnected systems with emergent properties i.e they are more than the sum of their parts. In contrast to the zoo, they cannot be optimised by optimising parts, and small changes in one part could cause massive unintented consequences in another.
Explanation:
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Answer: there would be no way for energy to enter the food web, and the ecological community would collapse.
Explanation:
everything would die because its a domino effect
Answer:
Frontal and temporal lobe areas.
Explanation:
Brain is one of the most important organ of the body as it regulates all the body coordination and also controls the other system of the body. Human brain is divided into fore brain, mid brain and hind brain.
The cortical region of the brain gets thicken at the 5- 11 years old especially the frontal and temporal lobe areas. These areas of brain are involved in the language abilities, thinking, reading and writing. The thickening of the frontal and temporal lobe improves the reading ability of the 5-11 years old children.
Thus, the answer is frontal and temporal lobe.