1. All of the above
2. Lack of consistent sunlight
3. Nonpolluting & Can be developed anywhere
4. Protons and Neutrons
sorry the answer is so late...Hope it still helps u
:)
Also I'm pretty sure all the answers I provided are correct but I'm not sure 4 a fact so plz let me know...
Natural Frequency
Hope that helped!
Cell are small and us human can't see them with our own eyes. it is in possible to see cell without a microscope
Weight on moon = (0.16) • Earth weight