Plant roots can be fibrous or a taproot. When there is not enough water in the environment some plants send their taproot further down into the soil in search for water, while some with fibrous roots increase the density of their root systems. What does this demonstrate?

A. genetic mutation induced by the environment
B. differentiation of vascular tissue in plants
C. structural response to the environment
D. alternation of generations in plants

this age may represent the age of the earth's accretion, of core formation, or of the material from which the earth formed. this dating is based on evidence from radiometric age-dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.

we need additional information in order to determine the cause of death for anna garcia. there are at least 3 things with explanation included as to why we need them are as follows: