The correct answer is (a) driving.
The pressence of undesirable substances in air is called as air pollution. There are many human activities that contribute to air pollution. The biggest contributor is driving. The pollutants that comes out of the car are carbon dioxide, carbon monoxide. They also release hydrocarbon and nitrogen oxides which when combines in sunlight becomes ozone. Air pollutants emitted by cars and other automobiles increases the level of harmful gases which to severe health problems such as heart disease, asthma, irritation in eyes.
Answer: The central nervous system (CNS) is the collection of neurons that make up the brain and the spinal cord. The peripheral nervous system (PNS) is the collection of neurons that link the CNS to our skin, muscles, and glands. Neurons are specialized cells, found in the nervous system, which transmit information
Explanation:
The formula for the volume of a cone is V=(1/3)πr^2h, where V is volume, r is radius, and h is height. Plug in and solve:
V=(1/3)π7^2(27)
V=49(9)π
V=441π
V=1385.4412cm^3
Hope this helps!!
