What kind of waves can travel through both matter and empty space? and why?

1. radio waves
2. seismic waves
3. sound waves
4. surface waves

is for tomorrow ; (

Why does miranda have that particular vision of dr hildesheim answer?

How does secondary succession differ from primary succession?

Acell goes through cellular respiration and produces atp which it then uses to move a molecule across the cell membrane. how does the energy in the original glucose molecule change during this process? (2 points)