Because it is easier to have a chain of command established with the staff if only one person is the leader. Companies and corporations also save money in the practice of only having a single leader or "boss."
I don't know if that answer will exactly help. :)
That would be 2 it goes into all those numbers
Explanation:
Individual organisms live together in an ecosystem and depend on one another. ... Some organisms can make their own food, and other organisms have to get their food by eating other organisms. An organism that must obtain their nutrients by eating (consuming) other organisms is called a consumer, or a heterotroph.
Answer:
The aorta is connected to the left side of the heart carry blood full of orygen to the rest of the body.
Explanation:
Answer:
Protein and iron build strong and flexible bones. A diet that lacks these nutrients can lead to osteoporosis.
Explanation: