Category: Physics

What percent of global climate change is caused by humans? 100% Why climate change is a threat? Humans and wild animals face new challenges for survival because of climate change. More frequent and intense drought, storms, heat waves, rising sea levels, melting glaciers and warming oceans can directly harm animals, destroy the places they live, […]

How do you draw the conclusion of data? To draw conclusions from evidence, look closely at the data or evidence presented and consider carefully how the evidence was obtained; for example, how an experiment or study was conducted. The data and other evidence along with the question and answer choices lead you to the conclusion. […]

Is co2 a single or double bond? Some molecules contain a double or triple bond. This type of bond occurs when more than one pair of electrons are shared between the atoms to attain a full outer shell (double bond – 2 pairs of electrons, triple bond – 3 pairs of electrons). An example is […]

Is Diamond an element? Diamond is a solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic. At room temperature and pressure, another solid form of carbon known as graphite is the chemically stable form of carbon, but diamond almost never converts to it. What is the symbol […]

What makes a witness credible? A credible witness is “competent to give evidence, and is worthy of belief.” Generally, a witness is deemed to be credible if they are recognized (or can be recognized) as a source of reliable information about someone, an event, or a phenomenon. What are the qualities of an expert? Relative […]

What are the 4 sets of quantum numbers? In atoms, there are a total of four quantum numbers: the principal quantum number (n), the orbital angular momentum quantum number (l), the magnetic quantum number (ml), and the electron spin quantum number (ms). What is a reason that the spectrum of calcium is more complicated than […]

What happens when frontal lobe is damaged? As a whole, the frontal lobe is responsible for higher cognitive functions such as memory, emotions, impulse control, problem solving, social interaction, and motor function. Damage to the neurons or tissue of the frontal lobe can lead to personality changes, difficulty concentrating or planning, and impulsivity. Does the […]

What are the steps of memorization? Psychologists distinguish between three necessary stages in the learning and memory process: encoding, storage, and retrieval (Melton, 1963). Encoding is defined as the initial learning of information; storage refers to maintaining information over time; retrieval is the ability to access information when you need it. What are three types […]

Should I unplug my PC at night? Make it a habit to unplug your computer every night. Not only is this a real energy saver, but it also can protect your computer from serious damage. It’s not an old wives’ tale — a power surge caused by lightning can completely fry your computer. To be […]

What is BOD formula? Biochemical Oxygen Demand ???, ??/? = ?1 − ?2 ? When the dilution water is seeded ?????/?, = ?1 − ?2 − ?1 − ?2 ? ? Where: D1: Dissolved oxygen of diluted sample immediately after preparation, mg/L D2: Dissolved oxygen of diluted sample immediately after 5day incubation at 20⁰C, mg/L […]