Answer:
the answer that you are looking for is d
Explanation:
Gravity depends on distance and the moon is closer to earth
Acid-base neutralization reaction, since water is produced
Explanation:
The most reactive metals are found on the left of the periodic table, in the blue column, known as the alkali metals. Their reactivity increases as we go down column (group) one. Reactive metals, when attached to less reactive metals, have the ability to prevent the less reactive metal from rusting.
C12 is to 642 and stop will be a28 so 642+a28=1879ab