If a sample analysis yields a ratio of 6.25% parent and 93.75% daughter for a radioactive isotope with half-life of 110,000,000 years, how old is the sample? (type the number only, with commas, round to nearest million)

How are people today protected from wildfires like the large wildfires like the great fire of 1910are people today protected from large wildfires like the great fire of 1910? plz have the answer. this is important. you

Why are there restrictions to traveling to cuba?

Which are practical examples of how people in the developed world could make a big difference in how much water they use check all that apply a. use lightbulbs that use less electricity b. consider using a composting toilet that does not use water c. avoid using your telephone during peak hours d. do not read books