To test her hypothesis the forest set up an experiment she plays fencing around a group of 15 young hemlocks to prevent deer from eating them she left a group of 15 young trees with no fencing around a beach day she examine the tree for evidence that dear had been eating their twigs and branches and counted the number of trees with visible white marks which is the control group of the experiment?

Aremote community desperately needs more electrical energy. it is located in an area with the following characteristics: average wind speed of 15 – 20 km/hr some medium-sized rivers with slow-moving currents few coal deposits some oil exploration being conducted within 400 miles based on the above information, which energy source would be the most economical and safest for the community to pursue? a. fossil fuel b. hydroelectric c. nuclear d. wind