Category: Physics

What happens to water vapor content as altitude increases? Atmospheric water vapour decreases rapidly with increasing altitude relative to its surface value. When a mass of air at Earth’s surface is exposed to a body of water, it gains water by evaporation or loses water by precipitation, depending on its relative humidity. What is the […]

How many type of fiber losses are there? There are two basic loss mechanisms in optical fibres. These are absorption and scattering: 1. Absorption loss. What are the two types of attenuation? There are two types of dissipated energy: geometric dispersion caused by distribution of the seismic energy to greater volumes. dispersion as heat, also […]

How early did humans make fire? 1.5 million years ago How was meat eaten before fire? The first evidence of controlled use of fire is from about 2 million years ago, so we’ve probably been cooking meat for a long, long time. Before that, our ancestors ate the meat they could get raw, like all […]

How are humans affected by the biogeochemical cycles? Human activities have greatly increased carbon dioxide levels in the atmosphere and nitrogen levels in the biosphere. Altered biogeochemical cycles combined with climate change increase the vulnerability of biodiversity, food security, human health, and water quality to a changing climate. What is an example of cycling matter? […]

What is a Level 1 2 3 question? Level 1 (the lowest level) requires one to gather information. Level 2 (the middle level) requires one to process the information. Level 3 (the highest level) requires one to apply the information. Prove your answer. What are the 6 questions? The method is about asking the questions […]

What is the gland of hormone? What is a gland? A gland is an organ which produces and releases substances that perform a specific function in the body. There are two types of gland. Endocrine glands are ductless glands and release the substances that they make (hormones) directly into the bloodstream. Which hormones make you […]

Does light travel faster than sound light can travel in vacuum sound Cannot travel in vacuum? Light waves travel much faster than sound waves. Light waves do not need a medium in which to travel but sound waves do. Explain that unlike sound, light waves travel fastest through a vacuum and air, and slower through […]

How does society affect mental health? Stigma and discrimination can also worsen someone’s mental health problems, and delay or impede their getting help and treatment, and their recovery. Social isolation, poor housing, unemployment and poverty are all linked to mental ill health. So stigma and discrimination can trap people in a cycle of illness. How […]

How can I annoy a girl? 9 Sure-fire Ways to Annoy a Teenage Girl Assume You Know Everything About Her. She is very complex. Reorganize Her Stuff Without Asking. Comment on Her Looks Excessively. Don’t Reply to Her Messages. Call Her Hormonal. Call Her a Term of Endearment. Grow an Adolescent Mustache. Wear Clashing Patterns. […]

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