The Declaration of Independence included these three major ideas: People have certain Inalienable Rights including Life, Liberty and Pursuit of Happiness. All Men are created equal. Individuals have a civic duty to defend these rights for themselves and others.
It’s definitely A, because I’ve done that question before
As the conclusion because it's a summary
English has two forms of comparison (apart from the word in its standard form, sometimes called the positive degree, with as...as): comparative, with the ending -er (for example "taller" ) and the superlative, with the ending "-est", for example "tallest".
"totally destroyed" is neither comparative nor superlative, so it's positive!
A) This is still a reliable source because it clearly cites scientific research.
A is the correct answer because of the fact that they did the study over several dogs, feeding them the same amount of food, at the same time. They did everything the same, while Anna didn't for her dog.
Hope this helps.