it should be, weather and climate. because the energy exchange between space as in the sun's energy creates heat on the earth which creates weather like rain and storms which also depends on the atmospheres conditions as well as the humidity and the texture of the earth's surface all make a dependant factor on weather and climate. I hope you have the right answer!! =)
The condenser lens, is placed between the light source and the specimen and it gathers and focuses the light rays in the plane of the microscopic field to view the specimen.
