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

what evidence shows that sumerians where not prehistoric

The cost of living last year went up 7%. Fortunately, Alice Swanson got a 7% raise in her salary from last year. This year she's earning $42,805. How much did s

373 of 500 in fractions and decimal

help me with this french hw plzz

I'm inside the path I'm a difference of two numbers outside the paths what number am I

The cost of living last year went up 7%. Fortunately, Alice Swanson got a 7% raise in her salary from last year. This year she's earning $42,805. How much did s

How did geography influence the way the Incas ruled the empire?

How are continental volcanoes formed?

A mountain climber camped at an elevation of 18,492 feet. the following day the climber descended 2,516 feet to another campsite. Type a numerical expression

what are the effects of global warming