Which parts of sedimentary rock formation include the breakdown and carrying away of existing rock? check all that apply.

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?

When a septic tank backs up a goes in to clean it out

The identities of substances are the same before and after which type of change