Answer: Option A
Explanation:
Birds attach the bur of the plant which helps in the pollination. The birds sit on the plant and the burs of the plant gets attached in the legs of the birds which is transferred from one place to another.
Seeds at a different place will help in reproduction and growth of the plants. In this case the birds are carrier of the burs.
This is how the birds help in the reproduction of the plants by becoming the messenger.
<span>The Greeks used the amber to study the concept of magnetism for the first time.
Hope I helped.
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Answer:They conserve natural resources and help reduce the amount of trash and waste become more reusable.
Explanation:Hope this helps;) !!!
Answer:
D) Passing of electrons from Photosystem I to electron transport chain.
Explanation:
The NADPH is generated in the thylakoid membrane first in order to energize the second stage of photosynthesis (Calvin Cycle). Calvin Cycle takes place in the stroma, so that choice is out. Choices A, B, and C are in cellular respiration, and NADPH is not made in that process, so that leaves choice D.
