Answer:
A. humans going underwater and exhaling
Explanation:
The dissolved oxygen in water refers to the amount of oxygen that is found in water. However, there are various ways that oxygen dissolves in a body of water, these includes;
- Photosynthesis of aquatic plants: Oxygen is the waste product of the photosynthetic process carried out by green plants. Hence, when aquatic plants undergo photosynthesis, oxygen from them tend to dissolve into water.
- Diffusion from the atmosphere: Oxygen from air or atmosphere also dissolves in water
- aeration as water moves over rocks and debris, and from wind and waves
However, humans do not exhale oxygen but carbon dioxide, hence, it is not a source of dissolved oxygen
Answer:
The answer is B: continental drift
Explanation:
Okazaki fragments<span> are short, newly synthesized DNA </span>fragments<span> that are formed on the lagging template strand during DNA replication.</span>
The correct answer is letter A
As far as I know it should be D. A dolor flare as it may harm satellite and aircraft flying near poles