Your answer is 3 ( 1 calcium atom and 2 bromine atoms)
Answer:
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Explanation:
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Explanation:
Hope this helps!!!!!!!!!!!!!

Strength: able to detect planets in a wide range of orbits, as long as orbits aren't face on
Limitations: yield only planet's mass and orbital properties
Answer:The central spot becomes Dark
Explanation: it become dark because as the wavelength reduces,the velocity in the detector decreases, this time by 90degrees