How much of the worlds water is saltwater? a. 97.5%. b. 50% c.25% d. 2.5%

Ricardo notices that when he plays soccer in the rain, his ball does not seem to go as far after a kick. what is the best scientific question that ricardo could ask about this observation? is soccer better played in the rain or sun? how does rain affect the distance a soccer ball can travel? how does rain affect the speed of a soccer ball? is soccer affected by the rain?

What best describes the dropping height of a ball that bounces back up to a height of 45 cm

Amines amides and amino acids are categories of