rhiannaskye49 rhiannaskye49

04-07-2017
Chemistry

contestada

Together oxygen and nitrogen comprise what percentage of the atmosphere

Respuesta :

WafiqAhmed WafiqAhmed

04-07-2017

Oxygen is 21% and nitrogen is 78% so combined is 99%

Answer Link

Otras preguntas

Helppp Read the directions and choose the best option to complete the sentence. Sigue hasta la calle Norte, cruza el puente y para en la esquina. Yo estoy en la

Follow the example and compose complete sentences using the information provided. Modèle: La banque / la bibliothèque: Je marche de la banque à la bibliothèque.

which unit is used to measure kinetic energy

Need help on this!! 10 points!!

A US Treasury is quoted at $137.111 based on $100 par. Today is 12/31/2020. Assume that transaction date and settlement date is the same. The coupon rate is 8%.

Please help lots of points rewarded

the presence of AIDs in a community often increases its level of poverty What is one of the main reasons for this?

What is best buy £3.99 5kg or 3.2kg £2. 60?

What is the function of the consent form? alert the patient to possible complications document the treatment the patient will receive gather information for bil

Make a substitution to express the integrand as a rational function and then evaluate the integral. int_(25)^(81) sqrt(x)/(x-1) dx