Answers by David Chen

Answers by David Chen

What did people use to make tools in the Mesolithic Era?

answered Feb 9, 2021

0 votes

153k views

Why did the reds win the Russian civil war

answered Jan 10, 2021

0 votes

44.7k views

Which element is the total number of valence electrons in an atom with a total of 13 protons

answered Nov 10, 2020

4 votes

159k views

Explain with words how you find the area of the figure. then find the area. image attached

answered Jul 23, 2020

6 votes

110k views

Why do we need the endangered species

answered Jul 17, 2020

3 votes

51.7k views

A client who has just given birth is concerned about the high rate of infant mortality in the United States. She is anxious about the health of her child and wants to know ways to keep her baby healthy.

answered Jun 21, 2020

4 votes

97.2k views

When a college looks at your personal essay, it will consider all of the following except

answered May 30, 2020

3 votes

191k views

Chandler has been saving money from his paycheck each month to buy a computer. Joey doesn't have the cash to buy a computer, but he has a Big Buy store credit card and uses it to buy a computer. Which

answered May 13, 2020

3 votes

155k views

Savings accounts are different from investments in that they APEX

answered Oct 9, 2019

6 votes

92.6k views

In a mountain stream, the _____ the water, the _____ oxygen can be dissolved. faster, less colder, more warmer, more colder, less

answered May 30, 2019

3 votes

128k views

Which statement about cells is true? A. Only animals have mitochondria. B.Animals have chloroplasts and plants have mitochondria. C.Only plants have chloroplasts.D.Plants and animals have chloroplasts

answered Mar 24, 2019

3 votes

228k views

To better meet the needs of her ethnically diverse class, mrs. Williams often gives her students opportunities to learn more about one another by conducting group activities. Her activities are infused

answered Jan 12, 2019

5 votes

162k views

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