Answer:
4. Oxygen
Explanation:
Resources found in lithosphere: gold and iron etc
Resources found in atmosphere: Water vapor, gases etc.
thermometer, calorimeter
[Rn] 7s25f6d4
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Magnesium>Calcium>Potassium>rubidium
Malachite
Malachite is the only listed compound that must contain copper and oxygen.
Copper and oxygen are both elements found on the periodic table. They have the following symbols;
Copper = Cu
Oxygen = O
From the given choices, only option 1 has the symbol Cu and O.
So only malachite contains both copper and oxygen.
