No it's an aquifer. trust me because the definition of aquifer is "permeable rock that contains groundwater"
Answer: The SA node
Answer choices are:
<span>A. </span>The AV node
<span>B. </span>The SA node
<span>C. </span>The purkinje fibers
<span>D. </span>The AV bundle
The SA node<span> is the heart's natural pacemaker consisting of a cluster of cells located in the upper part of the wall of the right atrium. (the right upper chamber of the heart). The electrical impulses are produced and sent out from there to regulate heartbeat. This is also called the sinus code. </span>
<span>1. Neutrons are found __________ and have ___________ charge.
in the nucleus; neutral
Question 2. Which of the following particles has a positive charge?
proton
Question 3. Which of the following particles has a negative charge?
electron
Question 4.In which state of matter do the particles move somewhat freely but still not enough to fill the entire space of a container?
liquid
Question 5.In which state of matter are the particles the LEAST attracted to each other?
gas
I am 100% sure of these answers. Have a nice day.</span>
Photosynthesis is important to living organisms because it is the number one source of oxygen in the atmosphere. ... Green plants and trees use photosynthesis to make food from sunlight, carbon dioxide and water in the atmosphere: It is their primary source of energy. Hope this helps
