Answer:
<u>Energy moves from the lava to the surroundings</u>
Explanation:
- As the volcano erupts by shooting bits or rocks and lava out of the vent due to high intense heat and pressure, the molten lava freezes on the earth's surface and forms crystals.
- The energy which was stored in the volcano earlier is released in the form ash, molten lava or magma and as result is thrown very far and wide away from the source so that it spreads down the volcano and its energy dissolves into the surroundings.
- The heat of the lava can melt everything and anything coming in its path, and Hawaiian volcanoes are known for their viscous flow of matter. The cooled basaltic lava is composed of heavy elements. <u>As the heat escapes the lava gets hardened and darkens on the release of mechanical energy.</u>
Answer:
The correct answer is C. 2, 4, 1, 3.
Explanation:
The Middle East is a region that has had big problems for quite some time now. The problems mainly have occurred because of political and religious reasons. It is something that has started with the crumbling of the Ottoman Empire and continues to this day.
The Middle East, in big portion, got under the rule of the Western powers. That didn't last long, but the rulers, before granting independence to the countries of the region created and implemented borders in accordance with their interests, leading to the partitioning of the Middle East and creating long-term problems. The tensions and problems just increased when after World War II, the Jewish people were granted Israel as a piece of land to form their own country. This led to several wars in the region and a lot of hatred. The dictators and terrorist organizations didn't help the region with their activities too, giving a reason to foreign countries to attack them, overthrow them, and create even bigger chaos, as was the war in Iraq. Last but not least, the people have had enough of their oppressive rulers and tried to take them down so that democratic societies can be organized, which also led to a lot of violence and chaos.
The NIST-F1 Cesium fountain clock is in Colorado. It is the standard for primary time and frequency in measuring time.
The NIST laboratories in Boulder, Colorado, developed the cesium fountain atomic clock NIST-F1, which serves as the country's primary time and frequency standard. NIST-F1 is a member of the global network of atomic clocks that establishes Coordinated Universal Time (UTC), the recognized global time.
The NIST-F1 is known as a fountain clock because it measures frequency and time intervals by using the atoms' fountain-like movement. Atomic clocks are the most precise means of measuring time intervals, or the amount of time that separates two events.
Atoms in the clocks leap from one energy level to another due to the precise frequency at which these clocks emit electromagnetic radiation, such as microwaves.
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Answer:
The answer is 9.2 because by measuring the hypotenuse of the points you can accurately measure the angle.
Explanation:
Find points. Measure across.
Answer:
Vegetation, conservation, and reestablishment of forests and wetlands can prevent further soil degradation.
Explanation:
The soil has been damaged badly all over the world. The main reason behind this has been the fact that a lot of the vegetation and wetlands have been destroyed because of human activities. The vegetation is the best natural protector of the soil, so once it is removed the soil is prone to large-scale erosion, while the wetlands are able to accumulate the excess water and prevent it from reaching the soil and damage it.
The allowing the vegetation to regrow naturally and to help it with reforestation, as well as conserving them, the soil will get its natural protection again, so the soil degradation will be stopped or at least minimized, while also it will get richer and better over time. Reestablishing the wetlands too will help in the preservation of the soil as they will accumulate the surpluss of water, so that water will not reach the soil or at least a big portion of it won't, so the soil will not undergo a sudden and big erosion.