Do Coral reefs produce oxygen?

Do Coral reefs produce oxygen? While coral reefs only cover 0.0025 percent of the oceanic floor, they generate half of Earth’s oxygen and absorb nearly one-third of the carbon dioxide generated from burning fossil fuels. How do coral reefs benefit from herbivorous fish? Another functional group of herbivorous fishes are the ‘grazers’. Much like a […]

What are reactants examples?

What are reactants examples? Reactants are substances initially present in a chemical reaction that are consumed during the reaction to make products. Some chemical reactions go to completion, resulting in all of the reactants becoming products. These reactions are said to be irreversible. For example, burning methane in oxygen is irreversible. What are the 7 […]

Who started the high-speed rail in California?

Who started the high-speed rail in California? The CAHSRA was established by an act of the California State Legislature and tasked with presenting a high-speed rail plan to the voters. This plan, Proposition 1A, was approved by voters in 2008 after the presentation and was assigned a $9 billion bond to begin construction on the […]

How does an aneroid capsule work?

How does an aneroid capsule work? Inside an aneroid barometer is a small capsule. This capsule has had the air pumped out of it. When the air pressure rises, the sides of the capsule are compressed. The capsule is attached to levers which move a needle as the air pressure squeezes the capsule. What is […]

Is flammability a physical or chemical property?

Is flammability a physical or chemical property? Chemical properties are properties that can be measured or observed only when matter undergoes a change to become an entirely different kind of matter. They include reactivity, flammability, and the ability to rust. Is odor a physical or chemical property? Properties that can be determined without changing the […]

Why is U-235 better than u 238?

Why is U-235 better than u 238? The U-238 nucleus also has 92 protons but has 146 neutrons – three more than U-235 – and therefore has a mass of 238 units. The difference in mass between U-235 and U-238 allows the isotopes to be separated and makes it possible to increase or “enrich” the […]

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