What is an isolated system?
A. A collection of matter that does not interact with anything else in
the universe
B. The system in which collisions always occur
C. The forces that act upon an object in a collision
D. The intergalactic highway system

What two fields of study provide the core information that is used to classify organisms?

The intervention of extraterrestrials has been used to explain the bermuda triangle, a region of the atlantic ocean where ships and planes are frequently lost, leaving no evidence behind. how would this explanation best be characterized?

Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass