Mention historical tsunamis in the andes mountains

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 causes darkening of the skin as melanin production increases

What do you call the long folded tube inside the body attached to the stomach where nutrients in the food are absorbed?