Answer:
This layer of the atmosphere is a layer of charged particles and it helps carry radio waves. The auroras or Northern lights are caused by the collision of energetic charged particles with atoms in the ionosphere.
Explanation:
Answer:
I believe the answer is <em>keratin</em><em> </em>
Explanation:
<em>PLEASE</em><em> </em><em>DO MARK</em><em> </em><em>ME AS</em><em> </em><em>BRAINLIEST UWU</em><em> </em>
The bats wings and the bird wings
<span>A. Color is not an observable phenomenon.</span><span>
B. It does not attempt to explain the natural world.</span><span>
C. The experimental group would be too large.</span><span>
D. How people experience color varies.
I think it would be B or D, you can analyze them both and I'm sure you'll come up with an answer ;)</span>
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).
Learn more about geological age here:
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