The graph shows the solubility of several different salts in water, across a range of temperatures. According to the graph, which salt can dissolve at a concentration of about 60 g/100 cm3 of water at 40 degrees Celsius? A) sodium nitrate B) sodium chloride C) potassium iodide D) potassium nitrate

What links the two strands in a dna helix together in the middle? a. phosphate groups b. sugar rings bonded together c. proteins d. bases with hydrogen bonds

Greenthe fossil record is the history of life recorded byhuman observationgod.climatologists.remains of the past.

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.