Technically A and B, but A is more true, so it is the 'correct' answer.
The three-dimensional compositions have more silicon in comparison to those composed of independent tetrahedra.
The silicate minerals refer to the most general of Earth's minerals and involve feldspar, quartz, mica, pyroxene, amphibole, and olivine. On the other hand, the silica tetrahedra composed of oxygen and silicon, produce sheets, chains, and frameworks, and bonds with other cations to produce silicate minerals.
The answer to your question is c because ecology is in fact the study of ecosystems; how organisms interact with their surroundings
The following are the two conclusions that Morgan made about qualities and chromosomes:
1: Each chromosome is really a gathering of connected qualities.
2: Mendel's standard of autonomous combination still remains constant.
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