What substances pass through a leaf's stomata?

phosphorus
nitrogen
oxygen
water
trace elements
carbon dioxide

Two changes are described below. a green banana turns yellow and ripens. a layer of rust forms on an iron nail. which statement is true about the two changes? a) both are chemical changes because new substances are formed. b) both are physical changes because only the physical state of the substances change. c) a is a physical change due to a change of state, but b is a chemical change because new molecules are formed. d) a is a chemical change due to a change of state, but b is a physical change because new molecules are formed.

The mass of a substance that has a density of 10.0g/ml and a volume of 6.0ml is

Solve the problems. express your answers to the correct number of significant figures. 0.09 + 1.324 = 41.0 + 78.3 =water drips from a faucet at a rate of 41 drops/minute. assuming there are 15,000 drops in a gallon, how many minutes would it take for the dripping faucet to fill a 1.00‑gallon bucket? express your answer to the correct number of significant figures. how many minutes to fill the bucket.