HELP ME PLEASE!! Why did the name change SEXUALLY TRANSMISSIBLE DISEASE to SEXUALLY TRANSMISSIBLE INFECTION? When did this name change happen?

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

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?

Avariable that is not being directly tested during an experiment should be