C because the plants in the fuller is now
The eye.
Sight. Sight is the ability to sense light, and the eye is the organ that senses light.
Answer: Seral stage
Explanation:
The seral community commonly known as sere. It is an intermediate stage which is found during the ecological succession in an ecosystem.
This is an intermediate stage that comes before every stage of ecological succession advancing towards its climax community.
It starts with the pioneer species and keeps on evolving until climax community is attained.
Hence, the correct answer is option C
The correct answer would be Fluoride was not used to help protect teeth then
Cavity is not a genetic disease and thus there is no relevance of gene transfer in this case. Thus option A, B and D gets ruled out.
However, flouride in a limited amount is very useful for removing the cavities. Flouride in the foood and water enters the blood stream and make the teeth strong from inside. While the Flouride in Saliva make the teeths stronger and cavity free from outside. It reduces reminization that causes the loss of minerals.
Thus lack of flouride makes the teeth more cavity prone.
