<span>Answer: Pond A</span>
<span>The concentration of Oxygen in water is very important in
considering the quality of water along with the other physio-chemical
characteristics. Thus, oxygen concentration is inversely proportional
to temperature and cooler water holds more oxygen compared to warm water.
However, fish usually need more oxygen in water water.</span>
Answer:
The answer is C. The GPS makes a task easier
Answer:
Biological magnification refers to a phenomenon where some of the substances like heavy metals or pesticides move up the food chain, make their way into the lakes or rivers, and are eventually consumed by aquatic species like fish. This, in turn, is further consumed by large species like large birds, humans or animals.
This is associated with the health warnings given to pregnant women as too much eating of some kind of fish may influence the immune systems, that is, may affect the health of women who are pregnant.
Answer:
A, C
Explanation:
mucus acts as a barrier! all of the other things mentioned (D and E) are caused by white blood cells.
