Half life does not depend on the mass of the sample.
Half life of N16 was determined to be 7.13 seconds by Godwin H. in 1962, according to Wiki.
Note that this is not a geography question. Please use the appropriate subject/category when asking questions in the future.
The correct answer is D. ocean floor mapping and earthquake tracking
Tracking earthquakes is helpful because it shows where it came from and what caused it, as well as how it affected the environment, while ocean floor mapping is useful because it shows how the bottom of the sea changed over time which happens due to tectonic activity.
I’m pretty sure it’s C. Milk, beef, eggs, and corn
Because today we have more means of transportation, communication, and more advanced tech.
Answer:a small body of matter from outer space that enters the earth's atmosphere, becoming incandescent as a result of friction and appearing as a streak of light.
Explanation:
