Why do scientists use frequencies in the VHF range?

a. It is the same frequency of many animal calls

b. It can travel long distances

c. It doesn't hurt animals

d. Most animals don't make sounds in that range

Arrange each set in order of decreasing atomic size: (a) Ge, Pb, Sn (b) Sn, Te, Sr (c) F, Ne, Na (d) Be, Mg, Na

What happens to particles in diffusion?

How do two electrons in the same orbital compare in terms of the spin quantum number (ms) ?

Which examples represent abiotic factors affecting biotic factors? Check all that apply.

How fast do you think the air particles in this room are moving compared to a car going 50 mph (about 22m/s) ? Put your answer is in the form, 'a molecule travels ___ as fast as a car"

Why isn't air travel based on hydrogen popular today? A. Hydrogen is very expensive B. Hydrogen is difficult to find C. Hydrogen is flammable and dangerous D. Hydrogen is too cold for travelers to stand on long trips

How to get 1m solution to 0.001m solution?

If something is in high resolution you can see and object but not very clearly. True or False.

Which change might cause a cold spell in the northern united states

Kipps appratus is for what?