Iodine is useful in maintaining our antioxidant defe
Answer:
the oxygen to pass from the alveoli to the blood.
Explanation:
the oxygen to pass from the alveoli to the blood. The capillaries then connect to larger blood vessels, called veins, which bring the oxygenated blood from the lungs to the heart
Answer:
brain stem that controls involuntary body functions
brain stem - part of the central nervous system that is enclosed in the spinal column
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central nervous system - the brain and the spinal cord
cerebellum - part of the brain that coordinates movement
cerebrum - the largest part of the brain
electrical impulse - a sudden surge of energy in one direction
medulla - part brain stem that controls involuntary body functions
peripheral nervous system - nerves throughout the body
spinal cord - part of the central nervous system enclosed in the spinal column
Answer:
The correct answer is - a toxic spill that affects a drinking water supply.
Explanation:
The Clean Water Act (CWA) establishes the basic structure for regulating discharges of pollutants into the waters of the United States and regulating quality standards for surface waters. Under the CWA, EPA has implemented pollution control programs such as setting wastewater standards for industry. The Clean Water Act (CWA) establishes the basic structure for regulating discharges of pollutants into the waters of the United States and regulating quality standards for surface water