Combustion of Butane

The use of dna as evidence in criminal investigations became possible because of the

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?

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?