Answer:
Correct option are Basalt, gabbro and peridotite.
Explanation:
Igneous rocks like basalt, gabbro, dunite, diabase, and peridotite contains the olivine mineral. These are the dark coloured rocks and found within the surface of earth mostly in the areas around the tectonic plates. Olivine is known for its crystallization at high temperatures. It crystallize itself from the heat of the earth. Common olivine minerals are Forsterite, Fayalite, Monticellite and Tephroite.
Answer:
a. the mekong river is the longest
Answer:
nitrogen gas and oxygen gas.
Explanation:
78% of earths atmosphere is made up of nitrogen and 21% is made up of oxygen.
