4. Which of the following demonstrates an organ providing a force? A. The kidney filters waste from blood.

B. The heart contracts and expands to move blood.

C. he eye transmits information to the brain

D. The skin protects other organs from damage.

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

Type the correct answer in the box. spell all words correctly. what is the correct term for living the most sustainable life you can within your current circumstances? when your are being as sustainable as you can within your current lifestyle, you are said to be sustainability.

Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.