PLEASE HELP PLEASE HELP .According to the section “Decide Which Investigation You Want To Do,” why do scientists do experimental investigations
A. they do not want to make a hypothesis
B. they want to find out the cause of something
C. they want to see how two objects compare
D. they want to change more than one variable

Then, they do experiments or make observations to see if the predictions are correct. ... A controlled experiment is a scientific test done under controlled conditions, meaning that just one (or ... In fact, there is only one thing that I do differently to the two pots: ... It looks like the "seeds need water" hypothesis is probably correct!

it is about the use of non animal tested cosmetics.

normally working animals are domesticated and ruled by a master, a domesticator (tamer), to perform basic and important functions on a farm, for example. the value used in this context is animal labor in exchange for food. it is not so much a contrast to the story told by napoleon and the pigs, since the animals of that particular farm also performed functions on the farm through domestication. the only thing is that in this case, who rules them is a pig, also an animal, but very respected, to whom the other animals lent him submission. that's about a strong relationship of dependency between animal and owner.