A 100.0 g sample of Co-60 decays until only 12.5 g of it remains. Given
that the half-life of Co-60 is 5.271 years, how long did the decay take?

Turbo the snail moves across the ground at a pace of 12 feet per day. if the garden is 48 feet away, how many days will it take for the snail to get there?

Define dew point. i am writing this part to be able to ask the question

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled