A film badge worn by a radiologist indicates that she has received an absorbed dose of 2.5 x 10-6 Gy. The mass of the radiologist is 71 kg. How much energy has she absorbed

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.

Why does karst topography exist in some geographic location? a. few climates have enough oxygen b. most regions have rock layers other than limestone c. in most regions, the soil is too thin d. the water is too acidic enough in most places