Answer:
Shallow grooves within the cerebral hemispheres are called
sulci
90% is lost, as only 10% is available to the next level.
Answer:
The risks are high. You will develop headaches, dizziness. The worst is heart disease and lung cancer from the chemicals. Stop driving cars. They excrete the chemical Carbon Monoxide, Sulfur dioxide. The factories also cause this. Which make nitrogen oxide and methane. We can stop making these car and factories to help us breathe.
Explanation:
