This is science--which of the following was one of the earliest events allowing for the production of oxygen in the atmosphere? select one: a. plants photosynthesizing carbon dioxide. b. bacteria photosynthesizing dissolved carbon dioxide in oceans c. volcanoes releasing oxygen into the atmosphere

a is correct

Explanation:

Normally plants are said to be the food producers in the ecosystem. This means they existed before the rest of all generations. They indeed are fathers of oxygen production.

bal is blood alcohol level. bac will normally be higher in a person with more body fat. so the answer to your question would be, as body fat decreases, the increasing rate of bal decreases.