Which of the following tools helps in the visualization of DNA inside a cell?

Gregor mendel was the first scientist to use statistics to analyze scientific data before mandel's experiments, scientists believed that organisms acquired traits from their environment and pass 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 parent to his parents this is an example of

What kind of action is a cause of air pollution

Why is it important to study each branch of earth science?