Answer:
Option (a).
Explanation:
Biological magnification may be defined as the increase in the concentration of the harmful chemicals at the top levels in the food chain. The chemical or substance may not get degraded and accumulate in the higher tropic levels.
These toxic chemicals pose greater problem to the environment. The toxic substance pose greater problem to the top level predators than the primary consumers because top predator directly feed on the primary consumers. The toxic chemicals get accumulate in their tissue.
Thus, the correct answer is option (a).
<span>Effluent is a water that is returned to the environment after secondary treatment. It is a liquid waste that is discharged in the sea or river. It is also termed as a water that is treated or not which passes a sewer and treatment plant.</span>
I'm not entirely sure and this response is late but I'm pretty sure it's when the central vacuoles lose their water and can no longer support the cell. When the vacuole of a cell is full it pushes outward against the cell wall. When it has nothing in it, you can assume that because the vacuole is so big and is such a big component of this that this would be the answer.
Answer:
the first one, the second one and than fifth one and also the sixth one
Explanation:
Answer:
6 giraffes
Explanation:
If an area can provide 450 pounds of food for the giraffes and the giraffes eat 75 pounds of food per day, you can divide:
450 by 75= 6
6 giraffes is the capacity for that area
