What is the total magnification of a sample with an ocular lens power of 15x and using a 40x objective lens?

Heyme with this one ❤ ☺❤ name the part of the cell concerned with the transmission of hereditary characters from parents to offspring. "i will mark brainlist "

Which would be the most useful source of evidence to support mcneill's contention?

What is true of sea slugs in these orders