Which sentence best explains how enzymes spped up a chemical reaction a)enzymes remove heat from a chemical reaction b)enzymes lower the activation energy of a chemical c)enzymes add heat to a chemical reaction d) enzymes are niot changed as a result of a chemical reaction

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.

air enters through the nose, moves through the nasal cavity, the pharynx, the larynx, enters the trachea, moves through the bronchi andbronchioles till the alveoli.

the answer is definitely a