During photosynthesis, plants take carbon dioxide from the air and water and convert them into: A. amino acids

B. glucose and oxygen

C. oxygen and chlorophyll

D. water and sunlight

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88

6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.