<span><span>1 Corundum
</span><span>2 Topaz
</span><span>3 Quartz
4 </span><span>Orthoclase
</span><span>5 Apatite
6 </span><span>Fluorite
7 </span><span>Calcite
8 </span><span>Gypsum
</span><span>9 Talc
Are all answers to what diamond on a scale of minerals can scratch.
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The sentence "Lightening that strikes the dry forests can cause forest fires" is restrictive: no commas needed. The correct answer is A.
This molecular formula belongs to the Alkane, (or paraffin) class of hydrocarbons.
Answer:
The chlorophyll inside the plants cells give the plants its pretty, green colour.
Eukaryotic cells and prokaryotic cells contain a cytoplasm and ribosomes. Eukaryotic cells have organelles and a nucleus.
Prokaryotic cells were most likely to evolve first because of the simple structure.
