What is a pure substance? a. tune b. nitrogen c. apple juice D. tap water
Answer 1
Nitrogen is made up of… nitrogen hope this helps
answer 2
Explanation: Since nitrogen is an element, it does not combine with anything. Air contains molecules of elements other than oxygen. Apple juice is a mixture of hydrogen, oxygen and other elements. And tap water, even if it is “purified”, is a lie, because pure water is not suitable for human consumption.
answer 3
heat transfer by electromagnetic radiation is called thermal radiation. It is usually carried out by electromagnetic waves in an energy range just below the visible spectrum, which is the infrared range. so the answer would be radiation. : )
answer 4
Answer; capital earns interest; entrepreneurship generates a profit or incurs a loss;