How does the timer on a toaster work? The electromagnet attracts the piece of metal on the handle, holding the bread in the toaster. The simple circuit acts as a timer. A capacitor charges through a resistor, and when it reaches a certain voltage it cuts off the power to the electromagnet. The spring immediately […]
Why do plants need oxygen at night?
Why do plants need oxygen at night? Plants release oxygen during the day in the presence of natural light through the process of photosynthesis. While at night, the plants uptake oxygen and release carbon dioxide, which is called respiration. Having these plants at home improves air quality throughout the day and helps people to sleep […]
Can a virus mess with your Internet connection?
Can a virus mess with your Internet connection? Spyware and viruses can definitely cause problems, but your Internet connection speed can also be affected by add-on programs, the amount of memory the computer has, hard disk space and condition, and the programs that are running. Computer viruses can also cause poor Internet performance. How do […]
Where do sticklebacks go in winter?
Where do sticklebacks go in winter? Marine three-spined sticklebacks migrate out to sea in the winter, returning to freshwater rivers in the spring to spawn. What is the habitat of a stickleback? The threespine stickleback fish (Gasterosteus aculeatus) are in marine, brackish and coastal freshwater habitats of the northern hemisphere. They are found in boreal […]
What Sea is an arm of the Indian Ocean?
What is the difference between a grape and a raisin?
Who says we meet again Mr Bond?
What is the average time for a half marathon?
What is the average time for a half marathon? For males, the average half marathon finish time is 1:55:26. For females, the average half marathon finish time is 2:11:57. Who holds the world record for the half marathon? Kibiwott Kandie Why are Kenyans so fast? Several factors have been proposed to explain the extraordinary success […]
What is a imperative mark?
What is a imperative mark? An imperative sentence is a type of sentence that gives instructions or advice, and expresses a command, an order, a direction, or a request. It is also known as a jussive or a directive. Depending upon its delivery, an imperative sentence may end with an exclamation mark or a period. […]
What are the different methods of fabric construction?
What are the different methods of fabric construction? Weaving, currently the major method of fabric production, includes the basic weaves, plain or tabby, twill, and satin, and the fancy weaves, including pile, Jacquard, dobby, and gauze. Knitted fabrics are rapidly increasing in importance and include weft types and the warp types, raschel and tricot. What […]