They are composed of unbroken chains of covalent carbon to carbon bonds
Explanation:
Answer:
As you move across a period, the atomic mass increases because the atomic number also increases
Explanation:
When the atomic number increases, this means that there are more protons and neutrons that add to the atomic mass of an atom.
Non renewable resources are resources that we can only use for so long until they’re gone and they can not be brought back. So like coal would be a non renewable resource. Renewable resources are resources that we can continue to use and we will always have them. An example of a renewable resource would be oxygen. We can breathe as much oxygen as we want but we will never run out of it.
Answer: they can not be replicated or repeated.
Explanation:
A historical events are opened for more study and research. So, they can be repeated for more study but with reference to the documents written about that event in a manner in which others are permitted to.
Where as, the conclusions related to historical events are limited to the subjective evaluation based on the different outcomes draw as a result of individual findings.