Large hydrocarbons have what characteristics?
a. high boiling points
c. solids at room temperature
b. solids, liquids or gases at room temperature
d. only a and c

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

1. if you have a gas at 127 degrees c, what is it's absolute temperature (kelvin)? a. 200kb. 300kc. 400kd. 500k2. if you had a gas whose absolute temperature measured 45 k, what is that temperature in celsius? a. -228 cb. -300 cc. 125 cd. 112 c

How many protons, electrons, and neutrons are in each of the following isotopes? a. zirconium-90 b. palladium-108 c. bromine-81 d. antimony-123