Answer:
True is the answer for the mean distance of the sun
Answer:
Sinoatrial Node
Explanation:
The sinoatrial node is like the natural pacemaker of the heart because it controls the heart beat or in other words, the cardiac rhythm. The sinoatrial node is found on the right atrium and it sends signals to both atria and then they contract. The signal is then carried to the atrioventricular node which spreads the signal to the ventricles and then the ventricles contract. The contractionof the ventricle is the pumping action of the heart.
<span>The correct answer is deformation. Think of the word itself. "Formation" has "form" in it, which refers to the creation of something. So, "deformation," which has "deform" in it, refers to how something already created begins to deterioriate. In rocks, this alludes to any changes from its original shape and size.</span>
I think it’s B. hope this helps, sorry if it doesn’t.
