Ineral 6. Earth's atmosphere is a mixture of
oxygen, water vapor, and other gases.
ergy Sources
nd Land
O A carbon
Resources
B nitrogen
Chelium
1
D hydrogen
3. Soil, and
ents

V1t2 = v2t1 is an expression of who’s law

List four observations that indicate that a chemical reaction may be taking place

Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.