<span>rocks undergo this when stress builds up past a certain point, called the ... is any fracture or system of fracture or system of fractures along which earth ... the fracture is caused by horizontal shear and movement is mainly horizontal </span><span>many kind of rocks that make up Earth's crust fail when stress is applied too quickly ... The resulting fracture or system of fractures along which movement occurs.</span>
I would say the second answers, growth. This is because we need the nutrients and vitamins from food to help us grow, and keep us healthy.
One of the primary functions of rna molecules is to function in the synthesis of proteins.
That would be a covalent bond. Hope this helps!