Out of all the options, only "Volcanic Eruption" is the rapid change
In short, Your Answer would be Option D
Hope this helps!
Improvements in health care, but if there were more options i would pick other ones
Answer:
walking to work or school
Explanation:
stops us from using cars which release gases that are is bad for the air quality
Answer;
Biophysics
Explanation;
-Biophysics is the study of physical phenomena and physical processes in living things, on scales spanning molecules, cells, tissues and organisms. Biophysicists use the principles and methods of physics to understand biological systems.
-It is an interdisciplinary science, closely related to quantitative and systems biology.
-The electrocardiogram is a diagnostic tool that is routinely used to assess the electrical and muscular functions of the heart. During an ECG, sensors that can detect the electrical activity of your heart are attached to your chest and sometimes your limbs.
The answer should most likely be the last one if not than the first one.