Which of the following entities ensure that national security policies are carried out? check all that apply.

Which of the following is not true about hydroelectricity a. use of gravitational force of flowing water b. its the most widely used renewable energy c. it has a high output of co2 that fossil fuels d. it has no direct waste asap

After a heavy rainstorm vegetation on a hillslope was completely removed. how will this removal of vegetation affect the relative amounts of infilitration and runoff that occur during the next heavy rainstorm.

What should a person do to prepare for a wildfire? a. know two exit routes for each room in the house b. store extra food in bulk c. have a basement or internal room in the house for shelter d. use sandbags to reinforce doorways and windows