Most of the water vapor and carbon dioxide in earth's atmosphere is found a. in the upper part of the atmosphere. b. in the thin layer right in the middle of the atmosphere c. in the lower part of the atmosphere. d. in the thick layer right in the middle of the atmosphere

As the gases ( O₂ & CO₂ ) are most abundant here and supports life.

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u=13

v=30

s/t=u+1\2at

=13+431/2

=13+265.5

=278.5

c. 7/3

step-by-step explanation:

a rational number is like pi- it is a repeating decimal.

a. is -1.8

b. 2.236068

c. 2.3333333333333333333

d.   is 3

i hope that ! =)