Finding clues to rock layers...
question 4-why are there no fossils in C and E

Babies with very low or very high birth weight are less likely to survive. observe a graph of the data.

Slow down transpiration by the stomata question 9 options: a guard cells; closing b chloroplasts; closing c guard cells; opening d chloroplasts; opening

Adding more tributaries to a local river basin can have what effect?