Evolution is one example of a theory. from what you know about the scientific method, what can you conclude about this biological theory? a it's been tested many times. b scientists don't need to test it anymore. c no one is allowed to test whether it's true or not. d there is very little evidence to support it.

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?

In the sentence "a mining company will consider the distribution of coal when deciding how to mine the coal," what does the word distribution mean?

What characteristic makes a cell membrane selectively permeable