Answer:
Tundra, taiga, coral reef, desert.
Explanation:
You need to recognize that the higher on the food chain, the fewer the number of organisms that occupy that level. This is because of the energy that is available from one level to the next has to decrease since it is used for life's processes.
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Down syndrome, turner syndrome, Klinefelter syndrome, and fragile X syndrome.
Answer:
Francium, which has an electronegativity of 0.7
Explanation:
