What is each half of a chromosome called? O A. Demisome
OB. Spindle Fiber
C. Chromatid
D. 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?

The activity of the modern sample is 1.10 bq . how long does that measurement take?

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million