Two radioactive elements A and B have half-lives of 10 and 50 years respectively. Samples of A and B initially
contain equal number of atoms. What is the ratio of the
number of the remaining atoms of A to that of B after 200
years?

Which word in the passage the reader determine the meaning of the word miscarriage? toilattracteddicgraced

Evaluate the argument in president kennedy’s inaugural address for sacrificing oneself for the greater good of humanity. is this argument convincing? in what ways can we see the legacy of his request in this word today.

Read the passage. when mother’s fever persisted for a week, father summoned our family doctor. dr. blakemore applied leeches to mother’s skin in hopes of reducing the amount of blood in her body. despite the doctor’s efforts, she languished in bed for three more days before her appetite returned and she requested a thin broth. our dear cook, mrs. davis, prepared the broth and delivered it to my mother directly, eager to ease her discomfort. what can readers infer about the time period of the passage?