3 years ago

What scientific breakthroughs did African Americans make

1 answer:

8 0

The Three-Light Traffic Light, Invented by Garrett Morgan in 1923. With only an elementary school education, black inventor (and son of a slave), Garrett Morgan came up with several significant inventions, including an improved sewing machine and the gas mask.

You might be interested in

Gina wants to help cut back on the large levels of air pollution in her city. Which of the following steps should she take?

Lapatulllka [165]

Any kind of transportation using fuel will cause polution. Less Fuel = Less Polution

4 0

3 years ago

What was discover in shaanxi, china, in 1974?

Nimfa-mama [501]

The terracotta soldiers were discovered in 1974 by a Chinese farmer on accident. Choice B!

8 0

3 years ago

Read 2 more answers

describe how the text and visuals on resource card one illustrate the significance of the steam power during the industrial revo

Sunny_sXe [5.5K]

What text? I don't know what you're asking.

6 0

3 years ago

What does the Constitution do?

matrenka [14]

Answer:

i think its the 3rd or 1st o one im sorry if its wrong

Explanation:

8 0

3 years ago

Why did many reformers want to improve education in the United States in the early 1800s? A. American democracy needed educated

Tpy6a [65]

I think the answer is A. American democracy is needed to educated citizens. Because the American democracy is needed to educated citizens to many reformers wanted to improve education in the early 1800s.

Answer will be bolded.

Hope it helped

8 0

4 years ago

Read 2 more answers