An amoeba, an oak tree, a squirrel, and mildew are all classified in the same Domain
Kingdom
Genus
Species

Then the answer would be d then

The purpose of a lab is to do your "expirements" the importance of the topic is so you can now what the story is about and the last one is because no one is me with my question ( what is 3 over 4 x - 9 = 27 maybe you can )

Answer mechanical energy;