Which of the following gases moves the fastest?
a. neon
b. argon
c. oxygen
d. helium

A48 g piece of ice at 0.0 ∘c is added to a sample of water at 7.4 ∘c. all of the ice melts and the temperature of the water decreases to 0.0 ∘c. how many grams of water were in the sample?

Which traits do human embryos have that link them to a common ancestor with fish and reptiles? a. scales and tail b. gill slits and scales c. tail and gill slits d. hair and tail

Geothermal energy for industrial use is available almost anywhere. a.true b.false