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

According to the centers for disease control and prevention, how many teens report physical, verbal, emotional, or sexual abuse each year? a. one in ten b. on

Which of the following is an approximate solution for f(x) = g(x)? (a) x = −2 (b) x = 0 (c) x = −1 (d) x = 1

The driving force for an electric current is called

sam decides to build a square garden. if the area of the garden is 4x2 28x 49 square feet, what is the length of one side of the garden? (2x 7) feet (7x 2) feet

When the government decreases taxes: the economy prospers. the economy slows down. consumers are not affected. none of these

an ampere is the si unit of which of the following? a electric power, b electric current, c resistance, d electric potential difference

Las calles cruzan en el __________ de calles. Answer for Blank 1:

DNA in the nucleus is impacted in large structure called? Is it chromosome?

what kind of molecule is formed when glucose and fructose are combined? a. monosaccharide b. disaccharide c. cellulose d. polysaccharide

Which statement best describes the reason for delayed onset muscle soreness? a. fast twitch fibers working as slow twitch fibers b. lactic acid accumulating i