How many Boeing 757 are still flying? The following is a list of past and current commercial operators of the Boeing 757, and any of its variants. There were 625 Boeing 757 aircraft in service as of December 2020, comprising 572 757-200s and 53 757-300s. They are listed by variant in the following table….List of…
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Can we use has been in present perfect tense?
Can we use has been in present perfect tense? The present perfect continuous is formed with have/has been and the -ing form of the verb. We normally use the present perfect continuous to emphasise that something is still continuing in the present: She has been living in Liverpool all her life. It’s been raining for…
What is the formula of piston displacement?
What is the formula of piston displacement? Stroke is the distance a piston moves over the course of a revolution. With this in mind, the mathematical formula for displacement is: the number of cylinders multiplied by bore squared, multiplied by the stroke, multiplied by Pi divided by four. What is total displacement in engine? Engine…
What is meant by Aufbau principle?
What is meant by Aufbau principle? The Aufbau principle states that electrons fill lower-energy atomic orbitals before filling higher-energy ones (Aufbau is German for “building-up”). By following this rule, we can predict the electron configurations for atoms or ions. What is Aufbau principle in chemistry class 11? The Aufbau principle states that the electrons are…
Is there a way to keep all factions alive Fallout 4?
Is there a way to keep all factions alive Fallout 4? There is no way to complete the Fallout 4 storyline while keeping all of the factions alive. The closest you can get to that is taking the side of the minutemen, and either eliminating the BOS or the institute, which will leave 3 of…
Why do people let their dogs on their beds?
Why do people let their dogs on their beds? People do it because it’s wonderful to feel unconditional love and have a snuggle buddy. Plus, they are warm and fuzzy and adorable! And animals love the bed because it’s the place that smells most like their favorite humans! Should you let pets on your bed?…
What food is Omaha Nebraska famous for?
What food is Omaha Nebraska famous for? There’s more to the Cornhusker State than corn. Get an earful and a stomach-ful of steak, pork tenderloin and Omaha-only pizza. What restaurants is Nebraska known for? Nebraska’s 10 Best Restaurants And Dining Spots Boiler Room Restaurant. Bar, Restaurant, American, $$$ Dish. Restaurant, American, $$$ Spencer’s for Steaks…
Are dog rescues scams?
Are dog rescues scams? The BBB says scammers are targeting people who want to adopt from a shelter or rescue. Scammers are impersonating real animal shelters or posing as people who want to re-home an animal. The scammers may ask for a refundable deposit to “hold” the pet, money, or a prepaid debit card to…
Why do doctors ask for a chest CT scan?
Why do doctors ask for a chest CT scan? Doctors use chest CT to: examine abnormalities found on chest x-rays. help diagnose the causes of signs or symptoms of chest disease, such as cough, shortness of breath, chest pain, or fever. detect and evaluate the extent of tumors that arise in the chest, or tumors…
Are we building a moon base?
Are we building a moon base? Reconnaissance is taking place now with missions such as Chang’e-5, which returned lunar rock samples to the Earth on 16 December 2020, and future Chinese and Russian missions. One or more sites will be chosen in the coming years and then the construction phase will begin. Why don’t we…