Category: Physics

Where do most plants get light from? the Sun What do plants take up through their roots? Plants absorb nutrients and water through their roots, but photosynthesis — the process by which plants create their fuel — occurs in the leaves. Sap is the mix of water and minerals that move through the xylem. Do […]

What is an independent contractor costs? Independent contractors are paid gross pay with no tax withholding. That means they handle their own taxes and provide their own benefits. The total paid to the employee really should include the cost of benefits. Suppose that a company pays $50 in direct pay to an employee or $50 […]

Which gas is produced when coal is burnt in air? But when coal burns, its carbon combines with oxygen in the air and forms carbon dioxide. Carbon dioxide (CO2) is a colorless, odorless gas, but in the atmosphere, it is one of several gases that can trap the earth’s heat. What is produced when coal […]

What UV wavelength is dangerous? UV-B light (290-320nm) causes sunburns with prolonged exposure along with increasing the risk of skin cancer and other cellular damage. About 95% of all UV-B light is absorbed by the ozone in Earth’s atmosphere. UV-C light (100-290nm) is extremely harmful and is almost completely absorbed by Earth’s atmosphere. What is […]

Why headrests are detachable? The headrest of car seats is deliberately detachable and sharp so you can use it to break the glass in your car in case of emergency. The glass in car windows is also kept easily breakable from the inside so people can get their way out of cars during an emergency […]

What are the human activities that affects soil? These include land use change, land management, land degradation, soil sealing, and mining. The intensity of land use also has a great impact on soils. Soils are also subject to indirect impacts arising from human activity, such as acid deposition (for example, sulphur and nitrogen) and heavy […]

Why pressure is a tensor quantity? Pressure is part of that tensor. It’s sort of like a component of a tensor. It’s a bit like how speed is the magnitude part of the velocity vector. Similarly, pressure is not a tensor, stress is a tensor. Why are tensors so difficult? There’s also “tensor” as used […]

How can I identify uranium glass? Perhaps the most reliable way to identify the presence of uranium in the glass is to expose it in the dark to a source of ultraviolet light (e.g., a black light). If the glass glows a rich green color, it contains uranium. How can you tell if it’s Vaseline […]

What do ecosystems include? An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life. Ecosystems contain biotic or living, parts, as well as abiotic factors, or nonliving parts. Biotic factors include plants, animals, and other organisms. What is ecosystem […]

What are 3 static stretches? Examples of static stretches Overhead triceps stretch. Share on Pinterest. This stretch targets your triceps and the muscles in your shoulders. Biceps stretch. Share on Pinterest. Cobra Pose. Share on Pinterest. Seated butterfly stretch. Share on Pinterest. Head-to-knee forward bend. Share on Pinterest. Which static stretch is most effective? The […]