Answer:
Sound waves behave in predictable ways.
Sound waves are compression waves that transfer energy in molecules.
All sound requires a medium through which to travel.
Explanation:
I am pretty sure these are the right answers.
Answer:the possession of feathers
Explanation:birds are warm blooded animals , that possess feathers.these feathers cover their bodies and used for flight and warmth.their forelimbs are modified into wings,which fold into a Z shape at rest.feathers grow from the skin follicles and are replaced by scales on their legs.they possess oil gland to dress the feathers.
Other features of birds include
1) beaks with no teeth
2) fully ossified bones with air cavities
3)females with left ovary and oviducts only
You are likely to see a connotation used in both advertisement and also some university lectures. If only one answer is permitted, B is the best answer.
<span>Unlike plant cell animal cell contain
"Centrioles"
Hope this helps!
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