Answer:
Explanation:
I think it is: acetylcholine (neurotransmitter) - motor neuron - contract
second question: diffusion because of opening of ca2+ channels
Answer:
Bodies of ice and rock that orbit the Sun and produce a coma and tail of vapor and dust when near the Sun
Explanation:
So if you go to the NASA dictionary it states:
Comet- cosmic snowballs of frozen gases, rock, and dust that orbit the Sun.
So it is most definitely the second option
Have a great day :D
Death by a predator is more natural because it follows the rules of the food chain and keeps nature in balance, keeping the environment healthy. However, whenever an animal dies of starvation, it means the food chain is out of balance since the animal wasn't in an environment where it could find something to feed off of.
Magnolias, laurel, barberry, early sycamores, and palms.
A hybrid chicken because the offsprings traits were shared and therefor that chicken is a hybrid.
