How much does the earth weigh? ...
How far away is the sun? ...
What is a black hole? ...
How do airplanes fly? ...
How do flies walk on the ceiling? ...
How are rainbows made? ...
Are sharks mammals?
Answers
Answer:
5.972 × 10^24 kg
Explanation:
this is the weight of earth
Answer:
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Explanation:
Earth weighs-5.972 × 10^24 kg
how far away is the sun -149.25 million km
what is a black hole -A black hole is a region of spacetime where gravity is so strong that nothing—no particles or even electromagnetic radiation such as light—can escape from it. The theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole.
how do airplanes fly-Airplanes fly because they are able to generate a force called Lift which normally moves the airplane upward. Lift is generated by the forward motion of the airplane through the air. This motion is produced by the Thrust of the engine(s).
how do flies walk on the celieng- Close-up of the tacky hairs and claws on a fly foot taken with an Electron microscope. Each fly foot has two fat footpads that give the insect plenty of surface area with which to cling. ... The adhesive pads on the feet, called pulvilli, come equipped with tiny hairs that have spatula-like tips.
how are rainbows made-.A rainbow is caused by sunlight and atmospheric conditions. Light enters a water droplet, slowing down and bending as it goes from air to denser water. The light reflects off the inside of the droplet, separating into its component wavelengths--or colors. When light exits the droplet, it makes a rainbow.
are sharks mammals-
No, sharks are not mammals. All species of sharks are classified as fish.
Sharks do not have mammary glands, and do not feed their young, so are therefore disqualified from being named mammals.
Sharks use gills to breath with, as fish do, rather than lungs that exchange respiratory gases.
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