Is it possible for humans to walk on water?

Is it possible for humans to walk on water? There’s a simple reason you can’t walk on water: Humans are so big that the force of gravity overcomes the so-called surface tension of water, making us sink. By vigorously rowing along the surface, striders create swirls that help propel them forward, all without rupturing the […]

What is the process of changing liquid to solid?

What is the process of changing liquid to solid? Freezing, or solidification, is a phase transition in which a liquid turns into a solid when its temperature is lowered to or below its freezing point. For most substances, the melting and freezing points are the same temperature; however, certain substances possess different solid-liquid transition temperatures. […]

What are the five pieces of evidence of evolution?

What are the five pieces of evidence of evolution? There are five lines of evidence that support evolution: the fossil record, biogeography, comparative anatomy, comparative embryology, and molecular biology. What are the 4 factors of evolution? Construct an explanation based on evidence that the process of evolution primarily results from four factors: (1) the potential […]

How do you convert 230V AC to 12V DC?

How do you convert 230V AC to 12V DC? 230v ac to 12v dc and 5v dc Regulated Power Converter The first stage is in AC to DC is to take down the voltage as required level using a step down transformer. The second stage is the Rectifying the signal, Rectifiers are used to rectifying […]

Where do the majority of greenhouse gases come from?

Where do the majority of greenhouse gases come from? In the United States, most of the emissions of human-caused (anthropogenic) greenhouse gases (GHG) come primarily from burning fossil fuels—coal, hydrocarbon gas liquids, natural gas, and petroleum—for energy use. Which is not a greenhouse gas? Examples for greenhouse gases: Carbon dioxides, Methane, Chlorofluorocarbon, sulphur dioxide. Whereas […]

What are the two types of pure substances?

What are the two types of pure substances? The two main types of pure substances are compounds and elements. They consist of a single type of particle or compound. What are pure substances Class 9? A pure substance is a substance which has only one type of atoms or molecules thereby having a constant composition […]

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