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 is the following sentence improved by the revision?
Dorothy is making passed appetizers. She has leftover raw salmon, dairy products, a baguette, and some random herbs. What can she make? When utilizing left over
oxygen is inhaled and is then distibuted throughout the bloodstream is what two body systems?​
What have been positive effects of NAFTA on the US economy?
Which statement describes the term salary
The chemical reactions of the light dependent process occur in the
Which variable is discrete a time to finish a race b temperature at start of race c number of runner in race d length of race in kilometers
____________ provides the architect opportunity to electronically plan and place elements of a building. a. CATIA c. CAD b. Drafting d. Landscape software Pl
A football team lost a total of 56 yards in their first game. Which expression results in an integer that represents the team's average per quarter? IF YOU DON"
Missense, nonsense, and silent mutations are examples of which type of mutation? substitution insertion deletion replication