Answer:
Birds are a member of the phylum Chordata and the subphylum Vertebrata, which means they have vertebrae. They are not mammals because they lay eggs.
Explanation: Hope it helped!
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1. Is a (primary)
2. Is 2 (c)
3. Not sure sorry ✨
4. HBr (b)
Answer:
<h3>.A car of mass 1800kg with speed 15m/s</h3><h3>Opinion C</h3>
To answer the question "What is amplitude?", first look at the context of the question. A poem is also given before the questions which discusses about sound waves. Therefore, considering the context above, amplitude is the height of the wave.
