Speed is the rate at which something goes, and velocity is the average acceleration, which means a car can go slow for a bit, and fast for a bit, and have a velocity of medium. Also, speed is much easier to measure.
Answer:
if its under 7 then it's an acid you neek over 7 is alkaline
Answer:
D
Explanation:
PV =nRT
So V and T are inversely proportional
433.8267 g/mol according to Chemical aid
the first option; waning gibbous + decreases