As water runs downhill in a mountain stream, it breaks down rocks into smaller pieces and also dissolves rocks and minerals. Water
breaking down rocks into small pieces and dissolving rocks into
mineral substances occurs by

A. Physical and Chemical Weathering

B. Chemical weathering only

C. Physical weathering only

D. chemical weathering and rusting

Need an answer asap 45 points and brainlest to the first person to answer why do scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record. must be in sentence form how can scientific theories on evolution and the fossil record change over time? must be in sentence form

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?

Located at the epidermal-dermal junction of the skin. select all true statements about the transformation of melanocytes into abnormal cell