I believe the answer you are looking for is D. Earlier, Both explain when the first messages were left. Hope this helps!
-Lion
Given that Carla has already knowledge of the example from the Ecology textbook, then her reading will increase. It is called a prereading, it is a technique in which the reader will skim the text before reading it thoroughly.
Carla already has an idea on what she will be ready since she has come across the example before reading the text carefully.
.org, .gov, .edu are usually the most reliable domains when it comes to dealing with english related assignments.
.org - means the website is from an organization, without the intention of selling commercial products.
.gov - is from the government so we know that this is reliable
and .edu is usually for university websites.
Hope this helped.
Answer:
a historical study showing that Indian workers were paid low wages
research showing that planters encouraged rivalry between workers
Explanation: