HELP ASAP (a p 3 x)

Which is an effect of
burning fossil fuels?

A. Natural gas forms underground

B. Oxygen gas is given off

C. Alkanes are converted to alkenes

D. Pollution is released into the atmosphere

i think its 100

i hope this !

here is table 2-2:

country

percent of eligible voters that voted

rank

united states

44.9%

138

canada

60.1%

107

costa rica

84.6%

14

hungary

66.9%

82

japan

57.0%

118

egypt

27.7%

159

south africa

85.5%

10

ans is no, the data set cannot be plotted as a single circle graph