A half life is the amount of time it takes for half of an isotope to decay in a given sample. The half life of carbon 14 (which is an isotope) is 5730 years. Carbon-14 is present in many fossils, hence scientists use this to figure out the age of fossils, this specific usage is called carbon dating.
Answer:
Standardized mortality ratio
Explanation:
In epidemiology, the standardized mortality ratio or SMR, is a quantity, expressed as either a ratio or percentage quantifying the increase or decrease in mortality of a study cohort with respect to the general population.
Answer:
Science plays a rather large role in the modern world. Without it, devices such as phones, computers, and even TV wouldn't exist. With advances in science, humans have been able to cure many ailments and diseases that were previously incurable.
<span>sending more vibrations directly to the cochlea
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