I'll say the answer is D, or 4, since the Aztecs did expand over the warm tropical lowlands and the cool tropical highlands which would allow them to have more options in terms of which kinds of crops could be grown.
Answer:
That they would fail without the book. They are not studying because they can just use a book to cheat.
Explanation:
(3) Fire, in fact, has been a significant factor in human development and progress in many ways.
This is the main idea. The rest of the sentences support the idea that fire has helped human development and progress. It says that it has allowed humans to "travel into regions that were previously too cold" and "to sleep securely". The passage then continues to talk about how when humans learned to control fire it made significant changes in how long people were able to be productive since they no longer had to rely on the sun for light.
They where a sorese of water and food because of animals
Answer:
the answer is number 1 because i t0ok the test