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.
Answer:
The details about Twain's failures in his odd jobs important to our understanding of the character are that They show that he is eager to work but has few useful skills, making him a loveable but pathetic
Explanation:
"Roughing It" by Mark Twain takes a lot of details from his own experience as a young man going through different working experiences, and growing into was he was going to be, we can see in the story that the character tries in so many ways and so many places to be successful without achieving much, because of his lack oh ability in most of the cases.
In this situation you are being <em>A. Assertive . </em>This trait is described as being able to put yourself forward, speak your mind, take upon a challenge or a role. Assertive people are often extroverts with higher self esteem.