Answer:
Objective
Optics
For an optical instrument, the aperture is the diameter of the objective lens (refracting telescope) or the primary mirror (reflecting telescope). The larger the aperture, the more light the telescope can gather, and the fainter the limiting magnitude of the instrument.
Explanation:
Types of Metals (alkali earth metals and transitional metals)
Answer:
A
Explanation:
A difference in thermal energy
The boat is flattened and there is more air against the surface pushing it up but a block has all weight in one place and will just sink<span />
