A painting company wants to know which brand of paint will hold up best in southern heat and sun conditions. Three different brands are placed in the sun and color samples are compared every month for two years. This is an example of which step of the Scientific Method? a - analyze the results
b - conduct the experiment
c - form a conclusion
d - form a hypothesis

The pattern of this wave changes between its beginning and end. what is true about the amplitude and wavelength of the wave when the pattern changes?

What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?

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?