The geologic features that help scientists to determine the relative ages of rocks by their positions include index fossils, intrusions, and cross-cutting relationships (Option d).
<h3>What does geological age mean?</h3>
The expression geological age refers to the relative age of a given rock and or fossil (i.e. a piece or trace of dead organism) in a geological time scale.
In conclusion, the geologic features that help scientists to determine the relative ages of rocks by their positions include index fossils, intrusions, and cross-cutting relationships (Option d).
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D. They come from other living things
Explanation:
The cell theory states that all living things come from preexisting cells.
A molecule that functions in maintaining and/or reproducing life is called the molecule of life. The four molecules of life are proteins, carbohydrates, lipids, and nucleic acids. Each of the four groups is vital for every single organism on Earth. Without any of these four molecules, a cell and organism would not be able to live. They structurally or functionally for cells and mostly they are important in both ways.
Glial cells: they protect neurons and also maintain the environment
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<span>In ovaries, the final products of meiosis are the oocyte.</span>
