Answer:
Mendeleev left spaces in his periodic table because he predicted there were elements that weren't discovered yet that would fit in these spaces.
Explanation:
check out this website
https://www.convertunits.com/
0.11746 dag for 13 a
9.930139 dag for 19a
The rest of<span> the month it can be anywhere from 0 to180 degrees away and, at least in theory, visible in the daytime sky. At full </span>moon<span>, the </span>moon<span> is exactly opposite the sun. This means that the </span>moon<span> rises just as the sun is setting, and sets just as the sun is rising.</span>
Answer:change in number of atoms
Explanation:AP3X