Answer:
I think that the statement is relative to speed because it is saying km per second.
Answer:
The metals are on the bottom left in the periodic table, and the nonmetals are at the top right. The semimetals lie along a diagonal line separating the metals and nonmetals. The elements are arranged in a periodic table, which is probably the single most important learning aid in chemistry.
Explanation:
im not sure if there was supposed to options to that question or not
Answer:
C) non renewable resources
Explanation:
These are resources such as oil that are formed over a long period of time but are consumed very quickly.
I believe the answer is A. However, I would double check the formula.
Explanation:
Percentage composition = 2/18 = 11.11%.