beccamitchem54 beccamitchem54

22-03-2017
History

contestada

Which African American below invented an early version of the gas mask?
Elijah McCoy
Garrett Morgan
Granville Woods
Jan E. Matzeliger

Respuesta :

UnicornFudge UnicornFudge

22-03-2017

Garrett Morgan was the African American that invented an early version of the gas mask.

The answer is choice B. Hope that helps! -UF aka Nadia

Answer Link

annabells9 annabells9

22-03-2017

the answer is garret morgan!

Answer Link

Otras preguntas

Modern cars have devices that combine oxygen with carbon monoxide, a toxic gas produced by car engines. This reaction produces carbon dioxide, which is less tox

I can't remember how to do polynomial in standard format. can you help me?

LT.3b - STOICHIOMETRY - QUESTION 3Magnesium burns in air according to the equation below. Howmany grams of oxygen gas are needed to completely burn 4.51moles of

what is the value of x

Simplify the trigonometric expression. cos(theta+pi/2)

mittelstaedt, inc., buys 60 percent of the outstanding stock of sherry, inc. sherry owns a piece of land that cost $212,000 but had a fair value of $549,000 at

Peter is on the track team. 2/5 of the teammembers are sprinters. Of the sprinters, 1/5 canalso run the 400 meter dash. What fraction of theteam members can run

A large multiplex movie house has many theaters. The largest theatre has 36 rows. There are 20 seats in the first row. Each row has four seats more than the pre

Translate this phrase into an algebraic expression.Six less than the product of 13 and Mai's heightUse the variable m to represent Mai's height.

I'm not good with graphs so I really need help solving and understanding this