Rodrequez807 Rodrequez807

08-10-2015
Physics

contestada

Which element makes up earth's atmosphere?
a. hydrogen
b. carbon
c. oxygen
d. nitrogen

Respuesta :

Аноним Аноним

08-10-2015

the answer is D.nitrogen. the atmosphere is mostly made up of nitrogen.(95% is nitrogen) and (2% oxygen) and and (3% of other gases)

Answer Link

Otras preguntas

Third time im asking... really need help.. Assuming all of the atoms attached to the central atom were identical, which of the following geometries would produc

Civilizations in the Americas and sub-Saharan Africa were isolated from Eurasia mostly because of a. culture. B. lack of trade goods. C. language. D. geography

The basic building block of life is _____.

how did the Renaissance in northern europe differ from the italian renaissance

two numbers are in the ratio 7:8. Find the numbers if their sum is 45.

Why is it that English borrows so many loanwords in dance and fashion from France? a. France invented ballet and fashion. b. France has both social renown and

Which of the following is most likely to include technical vocabulary? A. a narrative poem B. a personal memoir C. a scientific article D. a dictionary entry

The Kyoto Protocol is a universally accepted treaty on global warming. a. True b. False

which of the following tempos is the fastest? a- prestissimo b- adagio c- andante d- moderato

Brady decided to put a glass of water into the freezer, as he thought it would cool the water more quickly that the refrigerator. Bradley began to watch TV and