Im confused please help pleasssee??

Distance that the transcontinental railroad covered from omaha to san francisco.

Simple astronomical telescope the objective lens has a focal length of 75 cm and that of a piece of 5cm of the lenses are 18 cm apart when will be final image of a distant object before

Which of the following insects is a decomposer? a. mosquito. b. caterpillar. c. beetle. d. none of the above.