rhiannaskye49 rhiannaskye49
  • 04-07-2017
  • Chemistry
contestada

Together oxygen and nitrogen comprise what percentage of the atmosphere

Respuesta :

WafiqAhmed
WafiqAhmed WafiqAhmed
  • 04-07-2017
Oxygen is 21% and nitrogen is 78% so combined is 99%
Answer Link

Otras preguntas

What are some things to keep in mind about wearing gloves when giving first aid care? Select all that apply. a) Replace gloves between tasks on the same patient
A merry-go-round rotates at the rate of 0.4 rev/s with an 90 kg man standing at a point 2.6 m from the axis of rotation. what is the new angular speed when the
The first person or organization to implement parole in the U.S. was: a) Elmira Reformatory b) John Augustus c) Alexander Maconochie d) Zebulon Brockway
When should change be necessary
What functional ability should the nurse expect in a child with a spinal cord lesion at C7? A. Complete respiratory paralysis B. No voluntary function of upper
What is another term for strokes, specifically involving the brain?
License expired < 90 days—penalty is?
Two examples of overstatement in a modest proposal
The amount that Medicare and Medicaid will pay long-term care facilities for services is based on: A. The facility's location B. The resident's income C. The fa
Fecal impaction may present what symptoms? a) Diarrhea b) Constipation c) Frequent urination d) Nausea