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Science & Mathematics

Which country is more known in ur opinion: Spain or India?

If gravity suddenly left the planet how many people would fall off?

Answer must be a valid number ( no Decimals )?

What is Area 51 known for?

Math Question Incoming?
In a theater, there are 4,500 lowerlevel seats and 2,000 upperlevel seats. What is the ratio of lowerlevel seats to total seats? A. 4/9 B. 4/13 C. 9/13 D. 9/4 show work please 
Let’s see?

Is constant acceleration possible within our lifetime? Will we develop the engines needed to travel to the end of our galaxy?

When will humans be able to survive the tens of thousands of years journeys to the stars?

Why do platypuses lay eggs even though they are mammals?
They are definitely very unusual. I do know that they are mammals since make milk, as mammals got their name from mammary glands, not how their babies are born. 
Simple way to solve this quadratic equation?
x² + 20x = 25 
Why were many of the discoveries made in the physical sciences less controversial than others made in life and earth sciences?

Through (3,4) and (0,0)?

When did abortion become a simple birth control method? Is abortion the killing of a human being?

Is the Yellowstone volcano going to erupt?
my sister is moving to canada because she said the volcano is going to erupt in a week or two 
What size AC do I need? How many BTUs will be enough?
Temperature: I live in Bahrain and temperatures are usually around 40°C or higher, can reach upto 45°C, hardly any winter. Room: Size: 5m×4m×2.93m(ceiling height), second floor, good thermal insulation (newlybuilt house), fully enclosed room with a very small walkin closet. Appliances: 4 led ceiling lights, a fan, and two lamps. Windows: 2.2 m long, 3.1 m wide, facing Eastwards, doubleglazed windows, with thermal curtains(soon hopefully). Persons living: 2 Thank you very much for the help❤ if more info is needed please ask. 
Can I get a pet chimpanzee here legally?
We have a pet tiger already, and they are legal here and it lives in the house and stuff, but I want to get a pet chimpanzee because their tame and easy to train, and they are like humans, where can i get one 
What fraction of 1/5 is 1/10?
Best answer: Think of the same problem with easier numbers to determine the steps to solve, then use the same steps with these numbers.
What fraction of 4 is 2? The answer here is 1/2 which you can get by dividing "2" by "4".
So whatever is after the "is" is divided by the number after the "of".
If you case that ends up being:
(1/10) / (1/5)
Change the division of fractions into the multiplication of the reciprocal and simplify:
(1/10) * 5
5/10
1/2 
I need helpppp?
in my shopping trolley were 5375g packets of cereal,2500g jars of honey 15kg box of washing powder,31.25kg bags of rice and 1100g packets of biscuits.what was the total mass of my shopping bag in grams 
Isosceles triangle?
What is the altitude of an isosceles triangle if the base is 96 inches and the opposite angle is 119.48 degrees. 
Did the solar system from the movie interstellar have a star or just a black hole in the middle?
Best answer: In fantasy movies, they can make anything logical.
Real world, just a star would not have a black hole associated with it, with or without planets.
Disney's 'The black hole' was fantasy also, but some great CGI depicting them at the core of some galaxy.