A trilobite fossils has been used to tell us how life on earth has changed. Trilobite fossils are examples of? A:mold and cast fossil
B:index fossil
C:trace fossil
D:petrified fossils

B:index fossil

Explanation:

The trilobite fossils are examples of index fossils.

Index fossils are most desirable for stratigraphic construction and to predict ancient life forms on earth.

Trilobite is one of such fossils that have the above listed properties.

when the displaced particles are perpendicular to the direction the wave travels, is called a transverse wave, whereas in longitudinal wave the displace practices are parallel to the direction of the wave.

in the given image:

first image shows - longitudinal wave

second image shows - transverse wave

third image shows - longitudinal wave

fourth image shows - longitudinal wave

flooding wildfire landslides climate change the factors listed have an immediate effect on the animal populations found in any habitat. the four factors would lead to a death. b emigration. eliminate c immigration. d mutations.