If the half-life of an isotope of cobalt is 60 years. How much of a 3- gram sample will be left after 300 years?

(apex) when a cup of water is dropped, as the cup falls, the water in the cup falls out true or false?

Which diagram represents the phase tha occurs after a solid melts?

Which elements are found in glucose, the product of photosynthesis? a. carbon, hydrogen, and oxygen b. carbon and hydrogen c. carbon, nitrogen, and oxygen d. hydrogen, nitrogen, and carbon