acid precipitation lowered the ph of soil in a terrestrial ecosystem that supported a diverse community of plants and animals. the decrease in ph eliminated all nitrogenfixing bacteria populations in the area. which prediction most accurately reflects the impact this will have on the community?

Cold case files recently began re-investigating an old murder case. the murder took place in the park; a young man, james, was hit over the head with a brick and killed. police suspected the jealous former boyfriend of james' wife, karen. whoever killed james may have washed their hands in a near-by bird bath as detectives found blood in the bird bath. since the murder took place before dna fingerprinting was available, the suspected killer, ronnie, went free. detectives are now reviewing the blood evidence using dna fingerprinting. based on the dna fingerprints of all possible suspects, who is james' killer?

Dna replication or repair occurs in a cell in all of thw following situations except when

Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america