The two main types of fermentation are called a. lactic acid and anaerobic. b. alcoholic and lactic acid. c. alcoholic and aerobic. d. aerobic and anaerobic.

The two main types of fermentation are called alcoholic and lactic acid. Correct B Lactic acid is type of fermentation in which lactic acid is the end product. This type of  fermentation occurs in muscle cells, when muscle cells cannot get oxygen fast enough to meet their energy needs through aerobic respiration. In alcohol fermentation on the other hand  ethyl alcohol is the main end product.

glacial erosion, the picking up and movement of earth beneath a glacier, is also referred to as plucking. erosion and transportation of individual pieces of bedrock, especially large "joint block occur as a result of this glacial erosion. plucking is type of erosion in which rocks become frozen into the bottom and sides of the glacier.as the glacier moves downhill it 'plucks' the rocks frozen into the glacier from the ground.