Why is liquid water important to life? Even organisms that live in very dry places need water to live. One reason that water is so important is because it’s a liquid. This means that it can move around the materials that are needed for chemical reactions. These reactions include the ability for cells to get […]
Como se puede medir la fuerza?
¿Cómo se puede medir la fuerza? La unidad de medida de fuerza es el newton que se representa con el símbolo: N, nombrada así en reconocimiento a Isaac Newton por su aportación a la física. El newton es una unidad derivada del SI que se define como la fuerza necesaria para proporcionar una aceleración de […]
How do you find the latent heat of a mixture?
Is it better to be under or over weight?
Is it better to be under or over weight? People who are clinically underweight face an even higher risk for dying than obese individuals, the study shows. Compared to normal-weight folks, the excessively thin have nearly twice the risk of death, researchers concluded after reviewing more than 50 prior studies. How can you tell if […]
Why is botulism so rare?
Why is botulism so rare? Spores are not killed by boiling, but botulism is uncommon because special, rarely obtained conditions are necessary for botulinum toxin production from C. botulinum spores, including an anaerobic, low-salt, low-acid, low-sugar environment at ambient temperatures. Can you survive botulism? Although botulism can cause severe and prolonged symptoms, most people recover […]
Is there forces of attraction among the particles in all matter?
Is there forces of attraction among the particles in all matter? Particles of matter of the same substance, such as the same element, are attracted to one another. The force of attraction tends to pull the particles closer together. The particles need a lot of kinetic energy to overcome the force of attraction and move […]
How can I naturally purify the air in my home?
How can I naturally purify the air in my home? Below find 8 natural air purifier options, straight from experts. Prioritize plants. Reduce sources of air pollution. Vacuum and dust regularly. Go burn-free. Open the windows regularly. Maintain clean filters. Try this box-fan hack. But maybe invest an air purifier, too. Does air quality improve […]
Why is AC current used in homes?
Why is AC current used in homes? Why we use AC voltage in our homes despite DC voltage gaining traction. Simply put, AC voltage is capable of converting voltage levels with just a transformer, making it far easier to transport across great distance than DC, whose conversion requires more complex electronic circuitry. How do I […]
Which coral reefs are in danger?
Which coral reefs are in danger? Almost 95% of coral reefs in Southeast Asia are threatened. Indonesia has the largest area of threatened coral reefs, with fishing threats being the main stressor on coral reefs. More than 75% of the coral reefs in the Atlantic are threatened. How do humans impact the coral reef? Pollution, […]
Can a nuclear power plant power a city?
Can a nuclear power plant power a city? A 1,000-megawatt power plant can meet the needs of a city the size of Boston or Seattle. ∎ Nuclear power plants require little land vs. and potentially more smog. How much electricity can 1 gram of uranium produce? The fission of 1 g of uranium or plutonium […]