arbon, as with many elements, can arrange its atoms into several different geometries, or "allotropes." In pure diamond, every carbon atom is covalently bonded to exactly 4 other carbon atoms in a very specific and energetically favorable geometry. The diamond cannot be broken or scratched unless many covalent bonds are broken, which is difficult to do. In another common allotrope, graphite, every carbon atom is covalently bonded to only 3 other carbon atoms, and the atoms are arranged in sheets that are not covalently bonded to each other. The sheets can be broken apart easily, ultimately meaning that graphite can be easily scratched. Coal is composed of particles of different allotropes of carbon, and some "amorphous carbon," which has no defined geometry in its atomic structure. Without a continuous network of covalent bonds, coal is easily scratched (i.e. it is not hard).
Answer:
B. Bacteria that carry out decomposition
Explanation:
This is your answer because these don't produce anything. These are things that don't produce their own food, but they eat something else. One example on land can be Mushrooms.
So hence, your answer is only B. Bacteria that carry out decompositon
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Intuit se ha comprometido durante una década a superar la neutralidad de carbono para impactar positivamente el planeta y crear un futuro mejor para todos. Utilizando nuestras métricas de huella de carbono de 2018 como base, nos comprometemos a reducir las emisiones de carbono 50 veces. Para lograr nuestro objetivo, debemos mirar más allá de nuestras propias operaciones y buscar soluciones para empleados, clientes, comunidades y socios.
