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

Dna has unique properties that allow it to accurately retain genetic information, even after multiple rounds of replication. one aspect of dna that allows it to accurately store genetic information is the base pairing from chargaff\'s first rule of the four nucleotide bases. if the c content of a dna molecule is 22%, what are the percentages of the remaining bases?

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?

What happens when water’s salinity increases? mass decreases. freezing point decreases. buoyancy of objects decreases. the amount of dissolved minerals decreases.