The formula for dry ice is _______________
Fill in the blank(s) with correct word
CO2
Physics & Space Science
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A crate is sliding down a 30° incline, picking up speed as it slides. Ignore air friction. (a) Which of the forces listed below that acts on the crate has the greatest magnitude?
A. 
B. 
C. Both and (which are equal)
D. 
E.
Physics & Space Science
How much heat is necessary to change 20 g of ice at –10°C into water at 20°C?
Physics & Space Science
The types of radiation from nuclei were originally named alpha, beta, and gamma rays. In order of increasing ability to penetrate matter, these are
A. alpha, beta, gamma. B. beta, gamma, alpha. C. gamma, alpha, beta. D. alpha, gamma, beta. E. gamma, beta, alpha.
Physics & Space Science
Which of the following air masses does not directly
affect U.S. weather? a)cT b)mT c)mE d)mA
Physics & Space Science