Because radio waves can travel in space but sound waves cannot.
I think D. None of the above
I think that it
Answer:
answer is a pedigree chart :)
Explanation:
Answer:
441 [N].
Explanation:
Weight=mass*g, where mass=45; g=9,8.
Weight=45*9.8=441 [N].
They cant occupy the same box in the periodic table because each atom has a certain number of protons which is the atomic number and no two atoms have the same amount of protons.
