Question 5 of 10 First-quarter
moon
Solar tide
Earth
Lunar tide
Last-quarter
moon
Which term best describes the event caused by the positions of Earth, the
Moon, and the Sun shown in the diagram?
A. A solar eclipse
B. A neap tide
C. A lunar eclipse
D. A spring tide

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

Why do sodium and neon have vastly different chemical and physical properties despite having similar atomic masses?

1) this is the structure in the cell nucleus that houses a cell's genetic information