What is an ecosystem?

The _ is in charge if food safety, meat and plant production for human consumption, and developing and exploring new technologies in farming and ranching.

Psychologists studying infant memory want to determine at what age babies can remember specific events. an experimenter uses several puppets to demonstrate a series of actions while the infant watches. after a delay, the experimenter records how many of the actions the child imitates when playing with the puppets. what is the dependent variable?

What is a person called when they are on your side and supports you