The answer is A. Pollutant
<u>Answer</u>: c. a and b
Trees play vital roles in the production of oxygen as well as the fixation of carbon from 
. As trees use nitrogen, phosphorus and water as nutrients for growth, their diminishing numbers would change the balance between these three elements significantly.
Thus, during rains, the water level will rise much faster and higher in the absence of trees. These could possibly lead to increasing cases of devastating landslides.
Answer:- They are coelemate
-The body is covered with thin curticle
-They are triploblastic
-The have long and segment bodies
-Annelidas are bilaterally symmetrical
Answer:
Pea plant flowers of two colors were used i.e., Purple and White. He observed the same ratio in both cases (3:1), in the self and cross pollination. This happens because of the assumptions in Law of Segregation and Law of Independent assortment. He concluded that the purple color is the Dominant and white in recessive as in both self and cross pollination procedures.
<span>1. O negative
2. O positive
3. A negative
4. A positive
5. B negative
6. B positive
7. AB negative
<span>8. AB positive</span></span>
