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Human air pollution is caused by things such as factories, power plants, cars, airplanes, chemicals, fumes from spray cans, and methane gas from landfills. One of the ways that humans cause the most air pollution is by burning fossil fuels. Fossil fuels include coal, oil, and natural gas
The correct answer of the given question above would be the third option. The statement that depends on the absolute dating of events is this: The oldest Earth rocks are 3.9 billion years old. Absolute dating is the method of determining the specific date of an archaeological or paleontological artifact. In contrast, relative dating is just the determining of the relative order of events and not necessarily the estimated age of the artifact.
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This is the answer of your question.
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A stimuli is an environmental cue from either the internal environment or the external environment The stimuli is detected by receptors, which pass a signal along to the brain or spinal column through sensory neurones. The brain and spinal column make up the CNS, and they coordinate the body's response to the stimuli.
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