Answer:
the trapezius muscle.
Explanation:
the trapezius muscles are a pair of triangular muscles that extend over the back of the neck and shoulders, moving the head and shoulder blades.
I think D is the right answer.
Answer:
faced a struggle for survival
Explanation:
The woolly mammoths became extinct, unlike the other species, because the woolly mammoths faced a struggle for survival due to changing of environmental conditions. Global warming is the main cause of extinction of woolly mammoth which destroy their habitats about 10,500 years ago. The environmental conditions are not favourable for them so they faced struggle for survival which causes extinction of woolly mammoth.
