Answer:
B
Explanation:
Chlorophyll absorbs all spectrum of light but reflects green. That's why we see that leaves are green in colour.
Answer:
The correct answer is - option D. gate- control theory of pain.
Explanation:
Gate control theory of pain suggests that non painful stimulus that inhibits or closes the the gates for the stimulus of the pain. This mechanism helps in the prevention of of the pain sensation to travel to the CNS. It is also refereed as the doorway in the spinal cord that is passed from the signals.
Thus, the correct answer is - option D. gate- control theory of pain.
F is the symbol for fluorine which is a single atom. A molecule is two or more atoms together, which makes F not a molecule.
1. Stars last forever
2. Nuclear fusion
3. Space
4. Name
5. D
6. B
7. C
8. A
