Answer:
Explanation:
The principal quantum number is the quantum number denoted by n and which indirectly describes the size of the electron orbital. It is always assigned an integer value (e.g., n = 1, 2, 3...), but its value may never be 0. An orbital for which n = 2 is larger, for example, than an orbital for which n = 1.
1. look over it quickly to get a sense of its contents.
Answer:
I think this is a bad idea.
Explanation:
It's a bad idea because its not smart to carry a heater around. It can catch on fire or you can burn yourself. It depends on what size and type it is.
Answer:
C. Yarn can be made from the fur of different animals.
Explanation:
Yaks, Buffaloes and sheep have hair that can be turned in to yarn.