Answer:
is A.
Explanation:
When an action potential reaches the axon terminal, it depolarizes the membrane and opens voltage-gated Na+ channels. Na+ ions enter the cell, further depolarizing the presynaptic membrane. ... Fusion of a vesicle with the presynaptic membrane causes neurotransmitters to be released into the synaptic cleft.
Answer:
25%
Explanation:
(I'm guessing "loonas" does not mean black)
as you can see in the picture 25% is ll or black
One of the most important benefits that wetlands provide is their capacity to maintain and improve water quality. When healthy, wetlands have a rich natural diversity of plants and animals. These can act as filtering systems, removing sediment, nutrients and pollutants from water.
:D
Birds because they spread seeds
<span>the answer is:
the Pheasant</span>