Trying to explain why a cactus needs little water to survive is an example of a.
a prediction.
b.
drawing a conclusion.
c.
scientific inquiry.
d.
classification.

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

The continuous release of nuclear energy caused when one fission reaction triggered more nuclear reactions is a

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion