Would carbon increase, decrease or remain the same in the following spheres (justify your response) 1: Biosphere
2: hydrosphere

1.Carbon is the chemical backbone of life on Earth. Carbon compounds regulate the Earth's temperature, make up the food that sustains us, and provide energy that fuels our global economy. Most of Earth's carbon is stored in rocks and sediments. The rest is located in the ocean, atmosphere, and in living organisms.1 Feb 2019

2.Carbon is found in the atmosphere mostly as carbon dioxide. Animal and plant respiration place carbon into the atmosphere. When you exhale, you are placing carbon dioxide into the atmosphere. ... Carbon is found in the hydrosphere dissolved in ocean water and lakes.

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explanation:

sodium i think the chemical element of atomic number 11, a soft silver-white reactive metal of the alkali metal group.