How do you use while?
While is not used only used to introduce adverbial clauses of time. In more formal usage, it is used to link or balance ideas that contrast each other: While I am happy for us all to eat at home, I don’t want to spend hours in the kitchen preparing the food.
How can I use while in English?
during is a preposition which is used before a noun (during + noun) to say when something happens. It does not tell us how long it happened. For example: “Nobody spoke during the presentation.”
What is difference between during and while?
Notice that during is followed by a noun, which often represents an activity (during + the film). While is used to refer to a background period of time in which another activity happened. It is very similar to during, but it is followed by a sentence (while + subject + verb…), so they are not interchangeable.
Should I use during or in?
During indicates a period or range of time (having duration) and is used to say that something happened. “throughout this time” or “sometime within this time”. A clause with during focuses more on what happened—the activity, event or experience.
What is the difference between during and for?
We use during to say when something happens, if it happens in or over a period of time. We use for to talk about the length of time something lasts.
What is the function of during?
Answer: Explanation: During can refer to something that happened while the main event was taking place. In such contexts, during means ‘at some unspecified point in time’ and is more common than in: What was that noise I heard during the night, I wonder? or … in the night.
What is the meaning of rains?
1a : water falling in drops condensed from vapor in the atmosphere. b : the descent of this water. c : water that has fallen as rain : rainwater.
What is the meaning of dark?
Definition of dark (Entry 2 of 3) 1a : a place or time of little or no light : night, nightfall get home before dark. b : absence of light : darkness afraid of the dark. 2a : a color of low or very low lightness : a dark or deep color —usually plural a painter who uses a lot of darks.
Is rain water one word or two?
A: The one-word versions are acceptable for “groundwater,” “rainwater,” and “wastewater,” but the two-word versions are generally used for “storm water” and “rinse water.”
What is rain water called?
A rainwater catchment or collection (also known as “rainwater harvesting”) system can yield 2,358 litres (623 US gal) of water from 2.54 cm (1.00 in) of rain on a 92.9 m2 (1,000 sq ft) roof. In arid climates, rain barrels are often used to store water during the rainy season for use during dryer periods.
What is rain water answer?
Rainwater is collected from a roof-like surface and redirected to a tank, cistern, deep pit (well, shaft, or borehole), aquifer, or a reservoir with percolation, so that it seeps down and restores the ground water. Dew and fog can also be collected with nets or other tools.
Why is rain called the main source of water?
Answer. Explanation: Rainfall is the main way that the water in the skies comes down to Earth, where it fills our lakes and rivers, recharges the underground aquifers, and provides drinks to plants and animals.
Which is the main source of water?
Answer. The main sources of water are surface water, groundwater and rainwater.
Is rain a source of fresh water?
The source of almost all fresh water is precipitation from the atmosphere, in the form of mist, rain and snow. Fresh water falling as mist, rain or snow contains materials dissolved from the atmosphere and material from the sea and land over which the rain bearing clouds have traveled.
What are the 5 sources of water?
Here are the main five water sources:
- Ground water (well)
- Surface water. Lake. River. Stream (creek) Shallow well.
What is the important of water?
Water is very important to the human body. Every one of your cells, organs and tissues use water to help with temperature regulation, keeping hydrated and maintaining bodily functions. In addition, water acts as a lubricant and cushions your joints. Drinking water is great for your overall health.
What are the two main types of water?
Water molecules exist in two forms — different, but with almost identical physical parameters. Researchers refer to these two forms as ortho-water and para-water.
What are the three main sources of water?
3.1 Types of water source. In Study Session 1 you were introduced to the three main sources of water: groundwater, surface water and rainwater.
How do we get drinking water?
Drinking water in India is mostly derived from groundwater that is pumped via handpumps from borewells, tubewells, dugwells, and surface water sources like rivers, streams, ponds and lakes.
What are sources?
Sources in a piece of academic writing are the materials from which the writer gathers ideas and information. Print sources such as books and journals are the most frequently used sources in academic writing.
What are 4 sources of water?
Lesson-4 Sources of water supply
- Lakes and streams.
- Storage reservoirs.
How many types of water do we have?
Most people don’t realize that there are three different types of water: utility grade, working grade and drinking water. It’s helpful to be aware of these different types of water so that we understand how they are used and to better educate us on water usage.