Answer: Eutrophication
Explanation:
Eutrophication occurs when the amount of nutrients and minerals deposited in water bodies such as rivers, lake etc is at an increased rate such that the number of aquatic organisms multiplies leading to reduction in oxygen present in the water. Examples of human activities that cause eutrophication are
- uncontrolled use of fertilizer
- application of chemical such as pesticides, herbicides on farms, as they could be washed by rain into nearby lakes
Answer:
C
Explanation:
Well it can't be D. The range is too large. You could use it as a preliminary indicator but the human body is anywhere from 34 to 41 ( you have a severe fever at 41). But it is the second best answer. There is something better.
C: A Clinical Thermometer which measures from 10 to 45 is much better.
Answer:
staphylococci
Explanation:
Gram stain -
it is the method of staining which classify the species of the bacteria into gram - positive and gram - negative .
This method distinguish the bacteria by its physical and chemical properties of the cell well of the bacteria .
1. In case of gram - positive , the stain is of color violet , because to its thick cell wall .
and ,
2. In case of gram - negative , the stain is of pink color , because to thinner cell wall .
The bacterium , which shows Gram - positive coccus after the gram stain is staphylococci .