Number 3 Antarctica is the answer
Human speech; nonspeech sounds
Answer:
I think c
I spent a while researching this topic and synthetic materials. d is out because plastic bottles harm the ocean . a all matter must come from somewhere so a is out . b is out because the new material is made by chemical reaction let me know if it is correct I apologize if it is not
Answer:
The executive branch of the U.S. government is responsible for enforcing laws; its power is vested in the President. The President acts as both the head of state and commander-in-chief of the armed forces. Independent federal agencies are tasked with enforcing the laws enacted by Congress.
I hope I can help you :)