Decomposers break down dead material
Answer:
D. Mars takes a longer time to orbit the Sun than Mercury
Explanation:
Mercury is closer to the Sun than Mars, therefore it has a smaller orbit. One year on Mercury is 88 Earth days and One year on Mars is 687 Earth days.
Explanation:
Olivine -
It is the primary component of the upper layer of mantle , Olivine is one of the common mineral present on the subsurface of Earth .
The structure of olivine is neosilicate . The general formula is
( Mg²⁺ , Fe²⁺ )₂SiO₄
It has an independent unit of SiO₄ , which is independent , having a tetrahedral structure .