(a) When Jenny writes, the pencil exerts a force of 5N on the paper 5N
area of contact
0.5 mm
not to scale
The area of the pencil in contact with the paper is 0.5 mm
Calculate the pressure of the pencil on the paper
Give the unit

the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.

d) center of the mid-ocean ridge

give brainleysest

sinserly,

steckh986

it would be rhyolitic hope this

the correct answer is d