When are elements heavier than iron formed by stars?(1 point) 1. in small, old stars
2. as a dying star explodes
3. as a star is first formed
4. in young stars

Compare and contrast physical changes with chemical changes.

56.16 gregor mendel was the first scientist to use statistics to analyze scientific data. before mendel's experiments, scientists believed that organisms acquired traits from their environment and passed them on to their offspring. after mendel's discoveries were accepted, scientists realized that traits passed to offspring were the result of genes being passed from parents to offspring. this is an example of pls

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years