Rocks are made up of mostly Organic matter Carbon Minerals Diamonds What is the rock peridotite made up of? Olivine and Pyroxene Muscovite and Biotite Nuts and dried fruit Diamonds Question 4 5 pts What rock is responsible for leading Earth into the "Gray period". Basalt Diamond Peridotite Granite Life can thrive with chemical energy alone. It does not need sunlight to thrive. True False