Answer:
Radiation is energy that comes from a source and travels through space at the speed of light.
Answer:
1st question: The moon is closer to Earth so it is easier to see and visit.
2nd question: The moon has a week/month cycle instead of a day/night cycle.
3rd question: The corona
Explanation:
Answer:
10. Because they want to, and what they do is none of your buisness.
11. Firefighter-chemicals in fire-stopping have science.
Pharmacist-dealing with drugs and science was used to make them.
Chef-science involved in making food.-
Explanation:
Bruhh these were so easy do it yourself next time, it took me less than a minutte to do.
Answer:
407pm is the edge length of the cubic unit cell
Explanation:
In a Face-centered cubic unit you can use Pythagoras theorem to relate edge length with atomic radius (As you can see in the picture), thus:
e²+e² = (4r)²
2e² = 16r²
e = √8 r
If the atomic radius of the atom is 144pm:
e = √8 ×144pm
e = 407ppm
407pm is the edge length of the cubic unit cell
