For metals, reactivity increases down a group and from right to left across a period. Non metals, reactivitt increases up a grouo and from left to right across a period. Francium is the most reactive metal and fluorine is the most reactive non-metal.
False, it takes less than 14 billion years to completely burn through its fuel.
Cold and high salinity. Hope this helps :)
Answer:
The answer is growth rate
Explanation:
it will help you