Answer: When a substance is pure, it is composed of one type of molecule. For example, table salt is only composed of (more or less) salt molecules, while seawater has water and salt molecules. A more complicated example of a non - pure substance is soil. It has many different types of nutrients and compounds.
The answer is B. I just took the quiz and got it right. Hope it's the same thing for you.
It begins to form ice and also on its tail that is ice mixed with rocks and junk but if t where to crash on earth it would come through the atmosphere causing in to burn at amazing speeds. <span />
Answer:
Temperature is the average kinetic energy of particles of an object. Warmer objects have faster particles and higher temperatures.
Explanation:
If two objects have the same mass, the object with the higher temperature has greater thermal energy. Temperature is measured with a thermometer.
