Hello!! the answer is a limestone!!
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Answer:
Greenhouse effect
Explanation:
Greenhouse effect is the trapping of the sun's warmth in a planet's lower atmosphere, due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface.
They give us more information about what they learned.
Answer
these are some examples
Explanation:
1 Yugoslav Wars.
2 Insurgency in the North Caucasus.
3 Nagorno-Karabakh conflict.
4 Rwandan genocide.
We can use light absorption technique to determine which element this atom belongs to.
When light meets an atom it is absorbed. The particles of light (photons) are absorbed by electrons and electrons jump to a higher energy state. When electron jump to a lower energy state they emit photons. If we observe continuous spectrum of a light that comes from this atom we can see black stripes. These stripes are unique for each atom and represent these jumps that electron made. By comparing observed stripes with those that were found in a laboratory we can figure out which element this atom belongs to.
