This type of weathering occurs when rocks week and then break down due to chemical change in the composition of the rock a chemical weathering be deposition seat erosion weathering de mechanical weathering

List the advantages and disadavantages of the switch from persistent chlorinated hydrocarbon pesticides (such as ddt) to nonpersistent organophosphate pesicides. have the benefits of the switch outweighed the disadvantages? explain.

Predict the results of a two base insertion or deletion in a strand of dna that codes for a protien, how does this differ from a three base insertion or deletion?

What maintain homeostasis when a persons internal body temperature is 97.5°f