Answer:
1970
Explanation:
1970, Canada gradually began to convert from an imperial to a metric system of measurement
Answer:
substances
Explanation:
A chemical reaction happens when substances break apart or combine to form one or more new substances.
<u><em>^Hope it helps, Hazel^</em></u>
Answer:
Doubled.
Explanation:
The relationship between the temperature and the volume of a gas at a constant pressure can be described using Charles' law:
That means that the temperature and the volume of a gas are directly proportional: The higher the temperature, the higher the pressure. If one of those factors is increased twofold, the other one will be increased twofold as well.
Answer:
element
Explanation:
An element is a pure substance that cannot be separated into simpler substances by chemical or physical means. • There are about 117 elements.