To produce an electric current, three things are needed: a supply of electric charges (electrons) which are free to flow, some form of push to move the charges through the circuit and a pathway to carry the charges. The pathway to carry the charges is usually a copper wire.
Answer: that veins have valves to prevent backflow and arteries don’t.
Explanation:
Membrane package is the answer
Answer:
It is the anther.
Explanation:
The anther is comparable to the make testis. These give rise tomale sperm cells.
Answer:
The loss of trees and other vegetation can cause climate change, desertification, soil erosion, fewer crops, flooding, increased greenhouse gases in the atmosphere, and a host of problems for indigenous people.
Explanation:
