What was the common nick name for ellis island

Island of Tears

Explanation:

There is this island in New York Harbor, within the two states: New York and New Jersey, called the Ellis Island.

Now Ellis Island has turned into an Immigration Museum and is also a part of the Statue of Liberty National Monument.

Its most common nickname is 'Island of Tears'. Other than that, it is also referred to as 'Gateway to Freedom ' and 'Isle of Hope '.

35 is your answer because i looked it up

the of atp are the key to its ability to store and supply energy;

phosphate

the phosphate groups of atp are the key to its ability to store and supply energy. atp releases energy when it breaks bonds between its phosphate groups.