Answer:
D. all of the above
Explanation:
Sending signals is what computers do like me typing which will send the computer a signal that I am writing this letter. I also, control my breathing and heart rate with my brain, the brain sends nerves through the spinal cord which makes me move and sends them to other parts of the body so they can move too. Therefore, it is just like that.
The answer is decay. Decay is the principal natural means of recycling solid waste.
The answer is urine because it is a liquid waste that filters blood.
Answer: your answer is A. The quality of air and water at places where people live,work, and go to school.
Explanation: environment is a where people live together.
Answer:
The correct answer is option D
d) Children have an immature immune response.
Explanation:
It is true that Children have an immature immune response which develops throughout life on continuous exposure to germs and diseases.