Hey can someone me with these earth science questions? i’ve studied and studied them and i just can’t seem to understand. i really need ! (pictures attached)
i’ll mark brainliest to whoever can me!

The earth is composed of three different chemical layers: core, mantle and crust. the formation of these layers was from a process called

Which of the following best describes brazil's economy from 1650-1880? a. it gradually shifted to manufacturing as the industrial revolution progressed. b. it was based on mining. c. it was based on plantation agriculture, where slaves served as a labor force. d. it was based on small, family-owned farms.

Short answer/constructed response: respond to the question in 3-5 complete sentences. give details or examples to support your answer. attempt to answer all parts of the question in paragraph form! using the source 1 map, pick two of the 1800's territorial acquisitions you believe were the most important in the development of the united states. provide at least two reasons per territory to explain why you think they were the most important.