Platinum can be found in which of the following formations? a. chromite bands b. aggregates c. hydrothermal veins d. sedimentary bands

Platinum can be found in: Chromite bands Chromite could be easily found in ultramafic layer of intrusive rocks and it contain several similar components as those that we could found in magma. The black bands part of the chromite also carries several substance from platinum group metals.

Just do the math, then think

Humans have survived and thrived in mexico city by using technology to create greater access to land. when the spanish conquered the aztec capital, tenochtitlan, in the 16th century, they built mexico city by draining the lakes and filling in the lake water to create more arable land for agriculture. this technique of land reclamation has continued to be fundamental to human civilization in mexico city.