They can use carbon dating or lithium argon dating.
Answer:
Natural extinction
Explanation:
Man doesn't play a part in space objects causing extinction
<span>Molar mass is the mass of a given substance divided by the amount of that substance, measured in g/mol. So probably A.)</span>
Answer:
When manganese(IV) oxide is added to hydrogen peroxide, bubbles of oxygen are given off. To make oxygen in the laboratory, hydrogen peroxide is poured into a conical flask containing some manganese(IV) oxide. The gas produced is collected in an upside-down gas jar filled with water.
The ph is always greater than 7
