The main and the most promising difference between active and passive transport is, passive transport does not require energy while active energy does.
The best example that illustrates a sensitive period is
letter b, where the child tries to learn in speaking a second language because
this is considered to be a sensitive period in which is the period for a
development of new opportunities that a child could learn in which learning to
speak a second language is considered to be a sensitive period.
DNA? I think I'm not 100% sure
False. Well water is water that is stored underground and needs to be "dug" up from beneath.