1- Emigration and immigration rate
2- Death rate and birth rate
These factors determine and affect the number of organisms of a species in a particular community. Hope this helps!
Answer:
muscle cells will become paralyzed when there is a lack of acetylcholine
Explanation:
Based on the information provided within the question it can be said that in this scenario the muscle cells will become paralyzed when there is a lack of acetylcholine. That is because the Acetylcholine (ACh) is an organic chemical within the brain and body that acts as a neurotransmitter to send signals from the brain to the muscle cells. Without those signals the muscle cells cannot respond and are therefore paralyzed.
Extrusive because it cools down and turns to rock on the outside of volcanoe/ inside earth
The correct answer is A.primary, because a primary landform is a natural feature on earth's surface.
