Answer:
I think it would be matter
Explanation:
I BELIEVE D IS THE CORRECT ANSWER BECAUSE IT IS INA . CLOSED SYSTEM.
Answer:
INNER PLANTS
Mercury - Rocky planets
Venus - Rocky planets
Earth - Rocky planets
Mars - Rocky plants
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OUTER PLANETS
Jupiter - gas giants
Saturn - gas giants
Uranus - gas giants
Neptune - gas giants
Answer:
mass (gram), volume (litre) and length (metre)
Explanation:
Matter is usually defined as anything that has mass and can occupy space. Matter exists primarily in three forms; solid, liquid or as a gas. Some of the properties of matter and there corresponding metric units are listed below
Properties ⇒ Metric unit
Mass ⇒ gram
Volume ⇒ litre
length ⇒ metre