3.2 The greenhouse effect is the result of number of pollutants found in the atmosphere. The table below lists some of these pollutants: Pollutants that contribute to the greenhouse effect NAME OF POLLUTANT CONTRIBUTION TO GREENHOUSE EFFECT % Carbon dioxide 50 Hydrocarbons e. g. methane gas 18 Nitrogen dioxide 6 CFCs 14 Ozone ? 3.2.1 Determine the percentage ozone contributes to the greenhouse effect. Show ALL calculations. (2) ​

Which of these statements best describes the st. lawrence seaway? the st. lawrence seaway connects the st. lawrence river with the arctic ocean. the st. lawrence seaway provides an important trading route between the u.s. and mexico. the st. lawrence seaway provides an important trading route for the u.s, but has little value for canada. the st. lawrence seaway connects the great lakes, the st. lawrence river, and the atlantic ocean.

Which statements correspond to cellular respiration? co2 diffuses passively into the cell. co2 diffuses passively out of the cell. co2 must be pumped out of the cell. o2 diffuses passively when produced inside the cell. o2 diffuses passively when converted to co2. o2 is pumped in and forces co2 out.

In a cross between individuals of a species of tropical fish, all of the male offspring have long tail fins, and none of the females possess the trait. mating two of the f1 fish fails to produce females with the trait. explain the inheritance pattern of the trait.