The correct answer is option-D
The fossil record shows species suddenly appearing and disappearing. When one species goes extinct, another one usually takes its place. It provides with the snapshots of the past. It shows the changes over the past four billion years. It maybe unclear at parts but it does provide evidence that life is old and over time has changed. By studying fossil record the relation of different plants and animals can be figured out and it also tells us how old life is on earth. We can learn about extinct species and find out the reasons as well behind there extinction.
The earths layers are uniform in thickness
Ok..........
How a mouse takes care of it's waste is by
The small intestine absorbs the waste into the blood and that blood will be filtered by the kidneys.
H0P3 It H3LPS :)
try it first then do it over again until it works
