(you will get brainliest) pollution has become a problem because a. changes in landforms have changed nature's ability to remove pollutants. b. there has been a decrease in the amount of energy available to reduce pollutants. c. man's input of pollutants is greater than the rate nature can remove pollutants. d. over the past 100 years, there has been an increase of natural pollutants. e. changes in the earth's water flow have reduced the rate at which pollutants can be removed.

Miranda is braiding her hair. then she will attach beads to the braid. she wants 1_3 of the beads to be red. if the greatest number of beads that will fit on the braid is 12,what other fractions could represent the part of the beads that are red?

Explain how you can use the associative property to evaluate (7x50)x4.

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.