How can you double the acceleration of an object if you cannot alter the objects mass?

Me with biology endocrine system crossword also image left i need with hw

What is the next step in the process after a substrate enters the active site of an enzyme

Suppose you use three different scale to weigh a bag of organges. one scale says the nag weighs 2.1 lb, and third says it weighs 2.1 lb. the actual weight of the bag of organges is 2.153 lb. which of the following best decribes these results?