Which statement accurately describes the rock layers?
layer 8 is older than layer 1.
layer 3 is younger than layer 6.
layer 7 and layer 4 are the same relative age.
layer 2 and layer 9 are the same relative age.

Researchers want to use edna to look for an invasive species in the water which of the steps would be likely do last

Need an answer asap 45 points and brainlest to the first person to answer why do scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record. must be in sentence form how can scientific theories on evolution and the fossil record change over time? must be in sentence form

The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane