Category: Physics

What happens if you hold mercury? Mercury is a very toxic or poisonous substance that people can be exposed to in several ways. If it is swallowed, like from a broken thermometer, it mostly passes through your body and very little is absorbed. If you touch it, a small amount may pass through your skin, […]

Why solid fat is better than liquid oil? Solid fats contain more saturated fats and/or trans fats than oils. Saturated fats and trans fats tend to raise LDL cholesterol levels in the blood, which in turn increases the risk of heart disease. What is the difference between solid fats and oils? Oils are fats that […]

How do you know which is anode and cathode? The anode is always placed on the left side, and the cathode is placed on the right side. Which metal is used as cathode? aluminum Is cation negative or positive? What is a cation? A cation has more protons than electrons, consequently giving it a net […]

What does discoloration of Apple mean? When an apple is cut (or bruised), oxygen is introduced into the injured plant tissue. When oxygen is present in cells, polyphenol oxidase (PPO) enzymes in the chloroplasts rapidly oxidize phenolic compounds naturally present in the apple tissues to o-quinones, colorless precursors to brown-colored secondary products. What is the […]

Does orange juice have a lot of sugar? Summary Orange juice is high in sugar and calories, which may contribute to weight gain and high blood sugar. Drink it in moderation and opt for fresh-squeezed or 100% orange juice whenever possible. How many calories are in an 8 ounce glass of orange juice? 100% Juice […]

Will iPhone 4S work in 2020? You can still use an iPhone 4 in 2020? Sure. Apps are WAY more CPU-intensive than they were back when the iPhone 4 was released. And this, as well as the phone’s limited specs, makes for sluggish performance and dire battery life. How much did an iPhone cost in […]

What are the 3 types of steroids? The major classes of steroid hormones, as noted above (with their prominent members and functions), are the Progestogen, Corticosteroids (corticoids), Androgens, and Estrogens. What is the best steroid for bulking? bulking steroids for building muscle….They include: Fluoxymesterone (Halotestin), or “Halo” Mesterolone (Proviron) Methandienone (Dianabol), or “Dbol” Methyltestosterone (Virilon) […]

Is witch hazel actually bad for your skin? Overall, witch hazel is proven as safe for the skin. The caveat is that witch hazel, like anything else applied to your skin, may not work for everyone. If you’re trying out witch hazel for the first time, it’s a good idea to test it out in […]

What is the formula for energy change? To calculate an energy change for a reaction: add together the bond energies for all the bonds in the reactants – this is the ‘energy in’ add together the bond energies for all the bonds in the products – this is the ‘energy out’ Is cooking an egg […]

Which soil horizon has very little organic matter and accumulates soluble metals? Below the topsoil is the “B“ horizon. This is also called the subsoil. Soluble minerals and clays accumulate in the subsoil. Because it has less organic material, this layer is lighter brown in color than topsoil. Should you put sand under rocks? They […]