If oxygen not present what process will occur in yeast cells? A- Lactic acid fermentation
B-Photosynthesis
C- Respiration
D- Alcoholic fermentation

D- Alcoholic fermentation​

Explanation:

Alcohol fermentation convert sugars into ethyl alcohol and carbon dioxide in the absence of oxygen

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.