Coral reefs are essential for the survival of other organisms. They provide:: A. Microhabitats
B. Shelter
C. Breeding grounds
D. All of the above
“Science”

Agas mixture with a total pressure of 745 mmhg contains each of the following gases at the indicated partial pressures: co2, 245 mmhg ; ar, 119 mmhg ; and o2, 163 mmhg . the mixture also contains helium gas. part a what is the partial pressure of the helium gas? phe p h e = nothing mmhg request answer part b what mass of helium gas is present in a 10.2-l sample of this mixture at 283 k ? m m = nothing g request answer

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption

How are the terms group and period used on the periodic table