The correct answer is silicon (SiO4), oxygen (O2), iron (Fe) and magnesium (Mg).
Ferromagnesium silicates are minerals in which cations of iron and magnesium form essential chemical components on the silicate structure (contains SiO4 tetrahedra). The minerals from this group include the olivines, pyroxenes, amphiboles, and the micas biotite and phlogopite.
Trees.... using CO2 with water to conduct photosynthesis to produce food
Answer – C. (photosynthesis in plants)
Out of the four options given, the only process which produces oxygen is photosynthesis in plants. The other three processes given in the options: Combustion, Respiration in animals, and operation of an acetylene torch normally consume oxygen.
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Answer:
what is the function of an eyepiece on a microscope?
An eyepiece allows viewing of specimen placed of stage of the microscope
Explanation: