D.) none of the above is human induced cause of extinction
Yes humans do have the obligations of preserving the habitats of chimpanzee as it is considered as an endangered species. Most of the human practices such as tree logging, environment pollution, exploitation of animals and others has led to many species being endangered to extinction.
Ferromagnesian minerals are minerals that have iron or magnesium in their structure. The greater specific gravity is between 3.2 and 3.6. Some examples are pyroxene, biotite, garnet, and olvine.
Most mafic minerals are dark in color, and common rock-forming mafic minerals include olivine, pyroxene, amphibole, and biotite. Common mafic rocks include basalt, diabase and gabbro. Mafic rocks often also contain calcium-rich varieties of plagioclase feldspar.