What wavelength λ should the astrophysicist look for to detect a transition of an electron from the n=6 to the n=3 level?

To save time, you can approximate the initial mass of the solid to the nearest ±1 g. for example, if you are asked to add 14.3 g of copper, add between 13 g and 15 g. which of the following sets include two samples with an equal density? which all that apply below 15.4 g gold and 18.7 g silver 15.2 g copper and 50.0 g copper 20.2 g silver and 20.2 g copper 11.2 g gold and 14.9 g gold

If two objects at different te,peraure are in contact with each other what happens to their temperature

Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the web.