I believe the answer should be mates...(2)
Answer:
The correct answer will be option-B.
Explanation:
Photosystem of a plant is complex pigment-protein molecules which absorbs the light energy required for the formation of a glucose molecule.
Two types of Photosystem are present in the plants which are: P₆₈₀ and P₇₀₀. The 680 and 700 denote the wavelength of the light energy absorbed by the pigment of the chloroplast. The electrons get excited only at their absorbing wavelength.
Thus, Option-B is the correct answer.
Answer:
Nitrogen
Explanation:
The nitrogen cycle involves trapping a gas in to compounds in the soil.
Answer: C. Humans have avoided animal habitats.
Explanation:
Emerging diseases are those diseases which occur frequently after a single tenure of infection. These disease poses a serious challenge over the immune system of the body and it becomes incapable of recovery and can also be lethal.
Humans have avoided animal habitats. is the correct option this is because of the fact that on rare instances the association of animals was proven to be infectious to humans. Thus animal habitat avoidance cannot prove to be the concern for the re-emergence of a disease.