Observe the layers of the graph below.
layer 1: a, c
layer 2: e
layer 3: a, d,f
layer 4: b
layer 5: f, c
layer 6: d, b

what is most likely an index fossil?
a.) a
b.) b
c.) d
d.) e

Which of the following is not a true statement about dwarf planets? a the kuiper belt contains comets, asteroids, and dwarf planets. b ceres is a dwarf planet located in the kuiper belt. c the largest known dwarf planet in the solar system is named eris.

How have the greenhouse gasses increased from the year 2000 to 2018

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?