Cats are aliens, sent to spy on us. Is this statement about cats a scientific theory? Explain your answer, including whether you can provide evidence to support the statement.

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?

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?