1.) It is essential to use many different types of equipment because you want to know what you are seeing and with this equipment you can you also want to make the right obversions like how bright or big a star is.
2.) The missing element would be oxygen. Since earth has carbon and oxygen it makes carbon dioxide so if a different planted has oxygen it will make it so people could breath on it.
hope i helped
That's not a question, but I guess I'll just vomit some information at you and hope I hit a target.
First of all, not true. Unless you're talking multiple choice kind of thing.
Room temperature is 20 degrees C / 68 degrees F / 293 degrees K
At this temperature, most elements are solids, but
Mercury and bromine are liquids
Hydrogen, helium, nitrogen, oxygen, flourine, neon, chlorine, argon, krypton, xenon, and radon are all gases.
Answer: Receptor
Explanation: A protein that detects a signal and initiate physical response are receptor proteins.
The object (Theia) was about the size of Mars.
Answer:
The answer is D i think :)
