The magnification of a telescope can be modified by changing the wavelength eyepiece focal length of the objective objective lens

Plz will mark! the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?

9. the history of life on earth is recorded in