"cell a performs functions similar to the tissues and systems in complex, multicellular organisms. this process results in
(1)increased genetic variation
(2)the maintenance of homeostasis
(3)a reduction in competition
(4)increased autotrophic nutrition"

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?

What organ is the first to receive nutrients that have been absorbed from the digestive tract?