It's most likely D, or discipline.
According to Google, the definition for discipline is:
<em>The practice of training people to obey rules or a code of behavior, using punishment to correct disobedience.</em>
<em />
Lukas has rules that everyone must obey, and that he takes strict action when they violate the rule.
A because our population is growing and 2 is true because you would slowly start to gain sugar fat
Answer: Problem / Solution
Explanation: This is problem and solution because the problem is that tigers are disappearing and going extinct at an alarming rate. Dr. Miller thinks of a solution and that is to write to congress and let them know that we demand the preservation of this species, or donate to Save the Tigers, which will help to support and empower those who are fighting the hardest to preserve the tigers.
3. The Crimean War.
Explaination:
The Charge of the Light Brigade was a failed military action involving the British light cavalry led by Lord Cardigan against Russian forces during the Battle of Balaclava on 25 October 1854 in the Crimean War.
Answer:
Description or structure/organization those would be either my answers sorry I couldn't provide a more solid answer. all I know is that it for sure is not persuasion. I feel like you are missing an option though.
