Explanation:
Carbon dioxide (CO2) is an important heat-trapping (greenhouse) gas, which is released through human activities such as deforestation and burning fossil fuels, as well as natural processes such as respiration and volcanic eruptions.
1. Amphibians has moist slimy skin meanwhile fish has scales.
2. Fish uses gills for breathing, but amphibians are different. Young ones uses gills, but adult amphibians uses lungs and even skin for breathing.
Examples of amphibians include frogs and toads.
Both fish and amphibians are one of the 5 types of vertebrates under animals. Besides fish and amphibians, other vertebrates includes mammals, reptiles and birds.
Egg cells are produced in the almond shaped organs. This is called the Female Reproduction System. Hope this helps. Got any questions? Just comment down below if you're unsure about my answer!
A nucleus is the central and the most important part of an object, movement, or group.
It is found in plant and animal cells and an atom.
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Earth has 78% of nitrogen. So I would say Earth.