Carbon dioxide is added to the atmosphere by human activities. When hydrocarbon fuels (wood, coal, natural gas, gasoline, and oil) are burned, carbon dioxide is released.
Answer:
The auto thermostat setting helps keep your home at a comfortable temperature no matter what the temperature does outside. First, it’ll switch your system from heating to cooling on its own. You only pick two set points. One that is the warmest you want your home to be, and one the coolest you want your home to be.
Today, the Earth's axis is tilted 23.5 degrees from the plane of its orbit around the sun. But this tilt changes.
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Answer:
The correct options are: a. the number of additional neutrons of an isotope is too large; d. the number of additional neutrons of an isotope is too small
Explanation:
The chemical elements that have the same number of protons in the nucleus but different number of neutrons are known as isotopes. Isotopes can be stable or unstable.
The isotope having an unstable nucleus, due to the presence of additional neutrons in the nucleus of the atom, is known as a radioisotope.
Also, chemical elements that have atomic number greater than 83 have unstable nuclei and thus they are called radioisotopes.
