1) With the worldwide demand for beef increasing each year, large areas of the Amazon rainforest are cleared for cattle grazing. Describe two ways that this practice contributes to Earth's greenhouse effect. Write your answer in complete sentences.

Which layer will become saturated first when rain falls?

Diagram of the evolution of land plants?

What is the main reason that attitudes are more often revealed in spoken rather than written language? a. in writing, we try to put the "best face" on what we write. b. we speak far more often than we write. c. in writing, we can more easily conceal our attitudes. d. in spoken language, we are often careless in our use of words.