Which is an example of an open system?

A. The water cycle

B. The carbon system

C. A food web

D. The universe

How many chromosomes are in a gold fish?

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.

Suppose you were the commissioner of corrections for your state. which correctional activities might come within your domain? which mostly would not