How do Newton’s laws of motion describe when and how objects move?

Iwill give brainiest to first person who gets it ! what are 3 basic types of interactions we see in an ecosystem?

Construct at least two possible hypotheses for the student’s experiment.

Lactase is essential for digesting lactose in milk. this enzyme is specific for this sugar. why? molecules and active sites vary in size; only properly sized molecules can fit.there is a precise compatibility between the active site and the lactose molecule.specificity refers to the action of the enzyme, such as hydrolysis, and relatively few molecules can be hydrolyzed.reaction-specific enzymes assume a fit by folding around the most numerous substrate molecules.