Which farming activities often increase soil erosion? A: plowing the land B: Disturbing the land with heavy machinery. C: leaving land fallow( without plants) during the winter
D: All of the above

he is very short, and he can only reach halfway up on the elevator buttons. but on a rainy day, he has his umbrella with him, and he uses it to poke the button at the top.

i believe it would be c: tons.

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.