The average
a)contains chlorophyll
b)in immobile
c)has cell walls
d)both b and c

The process by which natural forces move weathered rock and soil brim one place to another is called

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.

The specific heat of ice is 0.5 calories/gram°c. 20 grams of ice will require ll calories to raise the temperature 1°c. 05