Unicrumb
Unicrumb Unicrumb
  • 03-03-2017
  • History
contestada

In 1908, who invented and patented a rotary drill that could break rock?

Respuesta :

ddaeseleer15
ddaeseleer15 ddaeseleer15
  • 03-03-2017
It was Howard R. Hughes
Answer Link

Otras preguntas

How do you know if undesirable molds are present in an area?
What is the conjugate of the complex number 5 - 6i?
Read the summary paragraph for the article on service and answer the question that follows: Service improves society, impacting the helpers as well as those ne
Select all the expressions that are equal to (1.5)3 5.0625 3.375 4.5 2.25 × 1.5 2.5 × 1.25
how many square metre of carpeting are needed to cover a floor that measures 8m by 5m​
Can some one help please
Please help I’ll give brainlieast
Solve for x: x/5 = 75
What will be the mRNA sequence transcribed from a TTAAACGGCCTA template?
7. The complement of 8. The supplement of PLEASE HELP ME ILL GIVE YOU BRAINLEAST ANSWER!!