The southern elephant seal<span> (</span>Mirounga leonine) is one of the two extant species of elephant seals<span>.
Source: Google
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The answer would be (GENUS)
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Recycle and renew are the two R's that uses and transforms the waste material. Recyclables do not equate to renewable as recyclable materials do not occur naturally.
<h3>What are recyclable and renewable?</h3>
Recyclable is the resources that are used finite times over and over and undergo a certain process for re-use purposes. They can be naturally or by humans, processed to be used again.
Renewable is resources that are natural and are replenished in nature when gets decreased by natural processes.
Some recyclables like aluminum and glass are not renewable as they are not formed naturally and do not get replenished by natural processes.
Therefore, recyclables are not renewables.
Learn more about recycling and renewable here:
brainly.com/question/13355265
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SA Node<span> which is also known as the sinus node, is the natural pacemaker of
the heart. It controls the heart rate by generating electrical impulses
and then sending electrical signals through the heart muscle, causing
the heart to contract and pump blood throughout the body. </span>
The SA Node is located in the outer layer of the right atrium of the heart, near the superior vena cava. It is made up of a group of cells (myocytes) positioned on the
wall of the right atrium, at the center of the heart and near the
entrance of the superior vena cava. These cells contract at a rate of
about 70-80 times per minute, which make up the natural heart beat.
Answer:
B
Explanation:
once neurotransmitters are released into the synaptic cleft, it binds to its receptors at the postsynaptic membrane. voltage gated calcium channels open and allows calcium to flow in, an action potential is generated immediately and reaches the end of the axon
