Lawns and gardens need a lot of water. A group of people suggested that homes should avoid having lawns and gardens to help conserve water. Which of these is the best alternative method to conserve water in lawns and gardens? A Reduce the size of lawns and gardens.

B Use graywater in lawns and gardens.

C Recycle water used on lawns and gardens.

D Use hose pipes instead of sprinklers to water lawns and gardens.

Which of the following represents the results of a review of well-controlled studies of vitamin c supplementation on the resistance to, and recovery from, colds? there was a reduction in the duration of colds by 50% on the average. there was a slight effect on reducing the duration and severity of colds for people taking vitamin c supplements. there was a significant reduction in the duration of colds in people who consumed at least one gram a day. there was a significant reduction in the number of colds only in people who consumed > three grams per day.