Me i need much as needed .) the dependent variable in this investigation is the (1) size of the test tube.) (2) time of digestion (3) amount of stomach fluid ) (4) amount of protein digested

b because they naturally adapt to their environment plz mark brainliest

explanation:

its temperature is increasing. this causes molecular vibrations to increase.

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.