Select the correct answer from each drop-down menu. (1 kg = 1000 g, 1 m3 = 106 cm3)

Acetone is a flammable solvent used in the making of plastics. The density of acetone is 790 kg/m3. To convert 790 kg/m3 to g/cm3,
1,000 and
106. These operations reveal that the density of acetone in g/cm3 is
.

What does the process of natural selection involve

City a and city b had two different temperatures on a particular day. on that day, four times the temperature of city a was 8â° c more than 3 times the temperature of city b. the temperature of city a minus twice the temperature of city b was â’3â° c. what was the temperature of city a and city b on that day? city a was 5â° c, and city b was 4â° c. city a was 3â° c, and city b was â’1â° c. city a was 8â° c, and city b was â’3â° c. city a was 5â° c, and city b was â’5â° c.

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?