Both the brain and the spinal cord are protected by a. a thick, paste-like substance b. the skull c. a watery fluid d. the vertebral columnasap

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .

Scientists often deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each of these numbers in an alternate form.