1 reason is to kill disease in water
<u>Answer:</u>
During the "magma convection currents", the plate tectonics are pulled apart from each other. This is because if the "magma convection currents" flow in opposite direction, the plates present floating on the molten magma also float apart, causing divergent plate boundaries.
The plate tectonics are responsible for the movement of continental plates. The molten magma present inside the earth acts as a vast ocean on which the plates move as sheets. So if currents flow away from each other they take the plates along with them too, forming great rift valleys.
The answer would be yes
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Answer:
The oxygenated blood enters into the heart by pulmonary veins into the left auricle, then the left ventricle. Then this RBC enters the aortic valve and moves upward.
It enters the aorta and from the aorta to aortic vessels. From aortic vessels, the blood goes to descending aorta. This supplies RBC to different tissue parts.
From descending aorta the blood flows to iliac arteries which are further branched into several arteries, which supply blood to lower part of the body i.e. legs, pelvis.
The subclavian artery provides blood to hands and shoulders, hands. Left and right carotid arteries supply blood to the brain from the heart.
Answer:
The correct answer is - leverage.
Explanation:
Skeletal muscles involves leverage which is the ability to move an object with the help of the lever,. In human body leverage is work as the joints are fulcrums, and the bones act as levers.
Muscle contraction provides the effort that is applied at the point of the origin in the bone. Changing the magnitude and direction of forces created by the skeletal muscles is an representation of the skeletal function of leverage.
Thus, the correct answer is - leverage.