Usually in business letters, italic formatting will not be used to indent any section, since italics are almost always reserved for emphasizing certain parts of the document.
Answer:
Biomes around the world, written by University of Chicago environmental scientists in 2018 for high school classes
Explanation:
This is the best option because the first option was written by a student on a blog and is therefore not as reliable as the second source.
The last two options do not talk directly about biomes, which is what the project is about, making them poor options as well.
The second source is reliable and pertains to the topic, making it the best choice.
1. Third one
2. Third one
3. First one
4. Third one
5. Second one
6. Mellow
7. Not sure but I don't see none
8. Sprinkled