You find a rock that looks like bits of sand glued together. what conclusions can you draw about this rock? it is a sedimentary rock. this rock was formed near a volcano. it was changed by heat and pressure. this rock was formed underground.

What pressure will be exerted by 0.675 moles of a gas at 25*c if it is in a 0.750-l container?

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange