The best answer would be
<span>Strains of bacteria can become immune to antibiotics that once killed them effectively.
Because evolution is all about how the creature adapts to the environment and how it defends itself from the dangers around it. It can learn how to prevent those terrible things to happen to them that's why the virus is a creepy and good example. </span>
The correct answer would be B) No because there is only one negative in the sentence and that would be ''aren't'' since that means are not, so since that's only one, and not two, its not a double.
It’s not a good idea because your going ask for stuff when u go to the store and that’s gonna make your mom spend more money
Sentences? How about this:
Hitting the tree put a dent in my car.
I found a stash of candy hidden under my brother's pillowcase.
Or if you need them both in one sentence:
I tried to get to the stash of food behind the metal door, but I could barely make a dent.
Is that what you needed?