What is global warming? what can people do to reduce global warming?

What effect does plate tectonics have an organic evolution

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?

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the