How does the structure of the passage above impact the meaning of the text?

A) The author presents a list of problems about the ecosystem followed by solutions to fix them.
B) The author provides details about the ecosystem in the order that they occurred.
C) The author compares and contrasts parts of the ecosystem to show how it is changing.
D) The author lists causes of changes in the ecosystem and their effects on the environment.

Respond for free points because i don't have a question anymore.

Which of the following statements would most encourage productive conflict? select all that apply.

The greatest gift the sumerians gave the world was the invention of writing. the sumerians were wealthy people. they needed some way to keep track of what they owned. they began drawing pictures. they used a reed as a pen. they drew on soft pieces of clay. the soft clay was then dried in the sun. the tablet became a permanent record. later, the sumerian drawings changed into wedge-shaped symbols. this kind of writing is called cuneiform. by putting symbols together, the sumerians could write entire sentences.