Industry
Cars
Fuel burning
Use of chlorofluorocarbons
The answer is a simple radial nervous system.
Echinoderms do not have brains. Around their mouth, they have central rings from which nerves radially run into arms and along the body. Movement is controlled by the branches of those radial nerves.
Answer:
All cells except sex cells
Explanation:
Nervous tissue is made up of neurons and supportive cells. Throughout the human body the neurons carry electrical and chemical signals, while nutrition is provided by the supportive cells.
Answer: One of the primary functions of carbohydrates is to provide your body with energy.
Explanation:
