What are three primary methods of monitoring volcanic activity?

What are three primary methods of monitoring volcanic activity? Volcanologists use many different kinds of tools including instruments that detect and record earthquakes (seismometers and seimographs), instruments that measure ground deformation (EDM, Leveling, GPS, tilt), instruments that detect and measure volcanic gases (COSPEC), instruments that determine how much lava is … How can we detect […]

Why do electrons do not fall in nucleus?

Why do electrons do not fall in nucleus? Quantum mechanics states that among all the possible energy levels an electron can sit in the presence of a nucleus, there is one, which has THE MINIMAL energy. This energy level is called the ground state. So, even if atoms are in a very very called environment, […]

What is photosynthesis answer in one line?

What is photosynthesis answer in one line? Photosynthesis is the process by which plants and some microorganisms make substances like carbohydrates. It is an endothermic (takes in heat) chemical process that uses sunlight to turn carbon dioxide into sugars. The sugars are used by the cell as energy, and to build other kinds of molecules. […]

Is pitch and note the same?

Is pitch and note the same? Pitch is the high or low frequency of a sound. When you sing, you create pitch because your vocal cords vibrate at a certain speed. Notes are musical symbols that indicate the location of a pitch. Tone is the color or timbre of pitch. Can a sound have no […]

What are five ways to make an observation?

What are five ways to make an observation? Explain that an observation is information we gather about something by using our senses. List the five senses of sight, hearing, taste, touch, and smell. Use their senses to make observations about things in the classroom. What are the direct observation methods? Observations can also be either […]

How do you fight a polar bear?

How do you fight a polar bear? If you encounter a polar bear, keep these tips in mind: Good luck. Polar bears are the biggest bears on Earth, and they’re much harder to scare than brown or black bears. Don’t act like prey. Do act like a threat. Use bear spray. Don’t give up. How […]

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