1. Sedimentary-formed from particles of sand, shells, pebbles, and other fragments. Generally soft and breaks apart easily.
2. Metamorphic-formed under the surface of earth from the change from the heat and pressure. These rocks will have a shinny crystal like shine to them.
3. Igneous-formed when the magma cools down and hardens. Won't have a shinny look to it. Sometimes will have tiny holes in them.
C
Explanation:
The only hydrocarbon from the given options is molecule C.
The compound is an aromatic hydrocarbon.
- Hydrocarbons are compound composed of hydrogen and carbon only .
- A hydrocarbon is mostly made up of two atoms that are covalently bonded to one another.
- The major source of hydrocarbons is crude oil or petroleum, natural gas and coal.
- There are many known hydrocarbons.
- Most hydrocarbons burn in excess air to produce carbon dioxide and water.
- The reaction is exothermic.
- Only option C contains Hydrogen and Carbon.
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Explanation:
chemo synthesis is a process by which certain microbes create energy by mediating chemical reactions
Since the atmospheric pressure is much lower on top of the mountain, the boiling point is also lower; 71 degrees celsius.