A very large star of high luminosity and low surface temperature. Red giants are thought to be in a late stage of evolution when no hydrogen remains in the core to fuel nuclear fusion.
For the answer to the question above, the answer is plasmas.
Plasma<span> is a form of matter in which many of the electrons wander around freely among the nuclei of the atoms. </span>Plasma<span> has been called the fourth state of matter, the other three being solid, liquid, and gas. The electrons in a solid, liquid, or gaseous sample of matter stay with the same atomic nucleus.
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When the ground position of a front moves so that warm air occupies territory that was previously held by cold air, <u>It is knows a </u><u>warm front.</u>
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- The area where a warm air mass is replacing a cold air mass is known as a warm front.
- The air behind a warm front is warmer and more humid than the air in front of it. Warm fronts typically migrate from the southwest to the northeast.
- A warm front is a density discontinuity that is usually seen on the margin of an isotherm gradient that faces the equator and is situated at the leading edge of a homogenous warm air mass.
- Since warm air is thicker and more difficult to remove from the surface of the Earth than cold air, warm fronts move more slowly than the cold fronts that typically follow them.
learn more about warm front here: brainly.com/question/1134430
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Chloroplast Is the structure that a plant cell uses to produce its own food
