11. I make a measurement in meters. What is the smallest unit I should record? a. a meter c. a millimeter
b. a tenth of a kilometer d. a decimeter
12. A number like 5.0103 g is identified as having significant figures.
a. 3 c. 5
b. 4 d. too many to count

Which is true concerning the products and reactants of photosynthesis and cellular respiration? a. the products of photosynthesis are sugars and the reactants of cellular respiration are starches. b. the products of photosynthesis are reactants in cellular respiration. c. oxygen is needed for photosynthesis and is given off in cellular respiration.

Is water wet? my friends are debating.

What sources of error may have contributed to the percent yield not being 100 percent? think about things that may have led to inaccurate measurements or where mass of the product could have been lost if this experiment was conducted in a physical laboratory.