Help please

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

What type of aid does nigeria receive? short term, tied, voluntary, bilateral, multilateral or long-term?

Hey people my question is what happens if the earth crust was never apart of the earth just got a new account very upset because my other account didn't work no more so and you for everything gracious < 3< 3< 3