Diagram 1
diagram 2
which one of the following names is correct in diagram 1 and diagram
2?
a. a represents a chromatid
b. b represents a centriole
c. a represents centromere
d. b represents centromere

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?