Which sentence describes a star clusters ? Check all that apply

-stars appear brighter

-stars form large groupings

- stars form at different times

-stars form from the same nebula

-stars are about the same distance as earth

What is important to study for nios grade 12 chemistry? i have only one month left.

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?

Which material burns faster? metal aluminum