Answer:
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Photosynthesis. These are the reactants for photosynthesis and the products of cellular respiration.
The Green-House Effect is: <span>The exchange of incoming and outgoing radiation that warms the Earth</span><span><span>
Steps:
1)The sun provides energy to the Earth. This energy then enters the Earth’s atmosphere.
2)</span><span>The Earth’s surface absorbs most of this energy, which warms the planet.
3)</span><span>Some of the energy is returned back through the atmosphere.
4)</span>But, some of this energy that was to be returned to space is captured by gases (carbon dioxide, methane, and water) in the atmosphere and sent back down to Earth. </span>
Active Immunity - antibodies that develop in a person's own immune system after the body is exposed to an antigen through a disease or when you get an immunization (i.e. a flu shot). This type of immunity lasts for a long time.