What rock has the highest metamorphic grade? a) rock formed at 500 degrees c and 8 kilo bars of pressure b) rick formed at 1200 degrees c and 20 kilobits of pressure c) rock formed at 400 degrees c and 12 kilobars of pressure d) rock formed at 700 degrees c and 10 kilobars of pressure

Football players often sustain lateral blows to the extended knee. which of the ligaments is (are) damaged as a result? a. suprapatellar b. oblique popliteal and extracapsular ligament c. medial collateral, medial meniscus, and anterior cruciate d. arcuate popliteal and the posterior cruciate

In natural selection, what is actually “selected? ” a) alleles are directly selected b) genotypes are directly selected c) phenotypes are directly selected d) entire populations are directly selected

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.