For school projects, Robert records the motion of a snail and plots a position time graph of the data from the graph the distance the snail travels on the first 20 seconds is _ centimeters after that snail remains in the same place for _ seconds.

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.

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.

i believe it's c. the trait for large beaks will be passed on to future generations through natural selection.

since eventually smaller beaks would have to find another source of food or even eventually just die out from the lack of food.