Adenosine is a cool cardiac medicine. It has a half life of about 10 seconds. Because of this, it must be administered very quickly. If a medic administers 12 mf of adenosine, but it takes 30 seconds to reach the heart of the patient, how much adenosine did the patients heart receive?

the population of unionid mussels in the hudson river decreased after zebra mussels were introduced. zebra mussels, a nonnative species, competed with the unionid mussels for food. the zebra mussels were able to outcompete the unionid mussels, allowing the zebra mussel population to increase dramatically over six years. the unionid mussel population decreased due to a lack of food.

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