Answer:
B. The nervous system collects and responds to information about
the internal and external environment,
Explanation:
The nervous system is the major controlling, regulatory, and communicating system in the body. It is the center of all mental activity including thought, learning, and memory. Together with the endocrine system, the nervous system is responsible for regulating and maintaining homeostasis.
Answer:
D. bronze is made of metals copper and tin.
Explanation:
an alloy is a material that is a mixture of two or more metals
Answer:
The answer is true.
Explanation:
You cannot create or destroy Energy. It can only be transformed from one form to another.
Answer:
1In a hypothetical food chain consisting of grass, grasshoppers, sparrows, and hawks, the grasshoppers areprimary consumers. primary producers
Explanation: