I'd use the library, the encyclopedia and the Internet.
: Option 2 and 3
2: fossil fuels
3: All of the above
4: coal. oil. natural gas
5: use only renewable resources
6: solar
the man above me had the same answer i just did it as well because it's the right answer i looked it up i hope he or i help you guys <3
Answer:
10
Explanation:
The atomic mass minus the atomic number = neutrons
I think the correct answer is C. An investigation is a type of research that involves observation and collection of data but it does not include a control. In an investigation, all data and information that is related to the subject matter are collected it does not think of any factors that may affect the subject.