Question

Which of the following is the best definition of baryonic material?

A. form of hypothetical energy that makes up most of the universe
B. type of matter that we cannot see but that we believe makes up more than 20% of the universe C. matter made of ordinary atoms, such as hydrogen or helium atoms ...?

Answer 1

A. form of hypothetical energy that makes up most of the universe

Answer 2

B. type of matter that we cannot see but that we believe makes up more than 20% of the universe C. matter made of ordinary atoms, such as hydrogen or helium atoms