Answer:
The correct answer is Cornu
Explanation:
The cornu is a bronze G-shaped instrument used by the Roman army to communicate orders to troops in battle. It is also known as curved tuba, had an approximate length of 3 meters
I think the answer is d. all of the above
Answer:
Biodiversity keeps the world interesting. There is a greater variety of genes and species in that ecosystem. Great variety of genes and species means the ecosystem is better able to carry out natural processes in the face of external stress. Thus, the ecosystem is more sustainable.
Explanation:
