Explanation:
The element with atomic number of 4 is <em>Beryllium</em><em>.</em>
Answer:
The third diagram shows Refraction of waves.
Explanation:
Refraction is a phenomenon, which occurs in a wave when it travels from one medium to another medium, and during Refraction there is slight or greater change in direction of the wave.
hence, the wave will pass through the surface and displaces from its actual path.
that's why the most appropriate diagram showing Refraction is third one ( c ) .
Hey I don't know the answer but what you can do is open another tab and go back to your lesson the answer might be in there.
Answer:
All cells have CYTOPLASM and DNA.
Explanation:
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