Which cell structures are sometimes found attached to the endoplasmic reticulum

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?

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

Several billion years ago which gas was the least prevailant in the atmosphere