Which of the following is an element?
orange juice
hcl
acid
oxygen

This drawing shows a human body system. what is the primary function of this body system?

Identify the electromagnets with poles that are reversed from the electromagnet shown above

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car