An individual who has had chicken pox rarely gets this
disease again. This situation is an example of
1) biological control. 3) active immunity
2) negative feedback 4) passive immunity

technology is the collection of techniques, skills, methods, and processes used in the the merriam-webster learner's dictionary offers a definition of the term: "the use of moreover, these technologies have become so complex that entire fields more recently, modern works of science fiction such as those by philip k.

explanation:

causes

fossil fuels burn

cities become more industrialized

human population grows worldwide