What makes the wind blow?

What makes the wind blow? Warm air, which weighs less than cold air, rises. Then cool air moves in and replaces the rising warm air. This movement of air is what makes the wind blow. What is a dangerous wind speed? “An Extreme Threat to Life and Property from High Wind.” “Damaging high wind” with […]

How long did Jonestown last?

How long did Jonestown last? Peoples Temple, religious community led by Jim Jones (1931–78) that came to international attention after some 900 of its members died at their compound, Jonestown, in Guyana, in a massive act of murder-suicide on Nov. Is Jim Jones alive? Deceased (1931–1978) Where is Jim Jones buried? More than 400 unclaimed […]

Why is gravity important to Earth?

Why is gravity important to Earth? Gravity on Earth Gravity is very important to us. The sun’s gravity keeps Earth in orbit around it, keeping us at a comfortable distance to enjoy the sun’s light and warmth. It holds down our atmosphere and the air we need to breathe. Gravity is what holds our world […]

How do we use air in everyday life?

How do we use air in everyday life? Important Uses of Air Sustain life and growth. Combustion. Maintaining Temperature. Supplier of Energy. Photosynthesis. What are 10 uses of air? To breath. To pump your vehicles tires. To inflate air beds, baloons and other toys. To blow away dirt from lawn, driveway etc. To vacumm suck […]

Is Rice a renewable resource?

Is Rice a renewable resource? Yes, rice is a renewable resource as a source of food. While the Earth can only support so much rice cultivation, it is theoretically possible to… Is fire a renewable resource? Renewable Resources Biomass energy, like wood for fire, can be replaced quickly. At the same time, as we use […]

WHO found that like charges repel?

WHO found that like charges repel? Benjamin Franklin Can two like charges attract? Yes, when the charge on one body (q1) is much greater than that on the other (q2) and they are close enough to each other so that force of attraction between q1 and induced charge on the other exceeds the force of […]

How many significant figures are there in 3?

How many significant figures are there in 3? The quantities 0.456, 0.0456 and 0.00456 all contain 3 significant figures. In this case, you need to think in terms of exponential numbers. 0.0456 is 4.56 x 10-2 (only 3 significant figures) and 0.00456 is 4.56 x 10-3 (again, only three significant numbers). Thus, 470,000 has only […]

What is a biological system give example?

What is a biological system give example? On the organ and tissue scale in mammals and other animals, examples include the circulatory system, the respiratory system, and the nervous system. On the micro to the nanoscopic scale, examples of biological systems are cells, organelles, macromolecular complexes and regulatory pathways. Why is the nucleus the most […]

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