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

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

What mistake did john needham make that caused him to conclude that spontaneous generation for microorganisms occurred? a. he re-contaminated his boiled broth solutions. b. he destroyed the vital force in the solutions. c. he did not boil his broth solutions, only warmed them. d. he failed to seal his flasks of boiled broth. e. he allowed his assistant to conduct the experiment which he did not monitor closely.

Which type of landforms forms at the plate boundary as a result of divergent stress