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vampirchik [111]
3 years ago
6

Which element is so reactive it is found in nature only in compounds?

Biology
1 answer:
tatuchka [14]3 years ago
4 0
Na (sodium), because alkali metals are not found freely in nature due to their high reactivity. (In this group are lithium (Li), sodium (Na), potassium (K), rubidium (Rb), caesium (Cs), and francium (Fr).
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hichkok12 [17]

Answer:

a.  occurs right before the best growing season

Explanation:

Seed dormancy prevents seeds from germinating in unsuitable conditions such as competing for light and water with other plants or being able to be eaten from a high population of herbivores species during certain seasons.

If a dormant seed is broken after prolonged cold treatment, then this cold part of the year occurs right before the best growing season for this dormant seed. The native habitat of the plant must have an undetermined and cold season that breaks seed dormancy.

5 0
3 years ago
Can variation be advantageous to the survival of a lima bean population during times of a
kirill115 [55]

Answer:

The correct answer is - yes, variation can be advantageous.

Explanation:

The population of the lima beans that are able to adapt to changes and include these variations in their population will lead individuals are able to survive and reproduce to increase their numbers in changing environments. The igher the variability in the population is, the higher the chances of the to be advantageous for their survival and increase their population.

Thus, the correct answer is - yes.

8 0
3 years ago
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Klio2033 [76]

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3 0
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What is the function of active transport in moving small molecules and ions across cell membranes?
valina [46]
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4 years ago
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