Blood vessels expand during hot weather and retract/ tighten in cold weather
Answer:
See the answer below
Explanation:
The light microscope is able to produce images in their natural color because photons of visible light are utilized as a light source and color is a function of light. Both transmission and scanning electron microscopes are not able to produce images in their natural colors because they utilize beams of electrons to image specimens. <em>They produce grayscale images instead because the regions of the specimen where electrons pass through are usually white while other regions remain black.</em>
President Obama suggested that "<em>there’s only one way to solve these challenges, and that is to do it together.”</em>
This goes to say that the only way in which problems can be solved is by working together
<h3>What is government?</h3>
Government can be defined as that group of people with the authority to govern a country or state.
So therefore, President Obama suggested that "<em>there’s only one way to solve these challenges, and that is to do it together</em>.”
Learn more about government:
brainly.com/question/18464634
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Precipitation is the correct answer
If enough ejecta (mainly ash) is sent into the upper atmosphere, the dust particles will block solar energy causing a decrease in temperature. This has happened in the past. Look for the year without summer caused by a volcanic eruption.
