It is impossible to construct a frame for a(n) select one: a. defined population. b. infinite population. c. finite population. d. target population.

1) Proportions decreased as it reacted with other elements to form nitrogen. -AMMONIA

2) Proportions decreased as this lighter gas was blown away by solar winds.- HYDROGEN

3) Proportions increased as this gas was released through volcanic eruptions. -WATER VAPOR

4) Proportions increased as plants released this gas into the atmosphere.- OXYGEN

5)Proportions decreased as plants used this gas during photosynthesis.- CARBON DIOXIDE

Explanation:

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