All of them are <span>Levels of Organization of Living Things
</span>
Electrons are Negative.
Protons are Positive.
Neutrons are No charge.
Molecules are Made of atoms.
B) wavelength
Notice how Z goes from one wave's crest (top) to another's crest. Wavelength can also be measured from a wave's trough (bottom) to the next one's trough.
10.Which of the following is a tool that is used by astronomers to study radiation ?
B) A ground based telescope.
11.Which of the following is evidence of earth's revolution ?
D.constellation movement.
12.Which of the following forms of radiation can be shielded by earth atmosphere ?
A.Gamma rays.
Good luck! :)
