In geology, <u>index fossils</u> are very important in allowing scientists to study the climate, environment, and diets of those fossils, and fossils from similar time periods.
Answer: They both give clues about life in the past.
The required graph for a single variable is a linear graph or time series graph
<h3>Single variable graph</h3>
A single variable graph is a graph having an input and one output.
For instance, the equation of a line y = mx + b is a single variable graph.
Hence the type of data for a single variable graph will give a linear function. Therefore the required graph for a single variable is a linear graph or time series graph
Learn more on single variable graph here: brainly.com/question/14521625
Answer:
The world is a bad place right now tbh.
