Which of the following is a strategy for building a sustainable future? a. Importing more resources
b. Using local materials
c. Developing more nuclear power stations​

He went with us to the picnic by the lake. which one is he pronoun?

Yes or no? biology is the study of rocks and minerals.

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.