What would be the magnification of a specimen with a compound light that has objective power of 40x and an ocular lens power of 10x

The fish shown above is a tarpon. it is a fast-swimming and powerful open-water fish. its closest relatives, oddly, are burrow-dwelling conger eels that stay on the bottom. both eels and tarpon developed from snake-like larvae that float in the plankton during the first stages of life. once they mature, tarpon and eels are not found near one another in the ocean. the tarpon and the eel illustrate all of the following except

As an asteroid comes close to earth, it's name will change to? apex

Darwin’s hypothesis about how life changes over time is now called?