The first answer is the correct one
Answer:
https://study.com/academy/answer/what-joint-is-formed-between-the-ulna-and-radius.html
An atom's smaller negative particles are at a distance from the central positive particles, so the negative particles are easier to remove.
The second graph presented in the image below shows the survivorship of whales.
As we can see, the population grows rapidly after the calves reach adulthood, but the environmental factors limit the growth of the population and the population growth reached a plateau after a period of intense growth.