Answer: Light
Explanation: Light can travel in empty space or vacuum. It doesn't need any medium to which it travels.
1. is 0% because the dominant trait takes over
2. is 25% chance
Limiting factors, or things in the environment that can lower the population growth rate, include low food supply and lack of space. When organisms face limiting factors, they show logistic type of growth (S-curve).
So by looking at the seismic waves from earthquakes the scientist learned about the crust and the mantle but they also learned about the outer and inner core. To do this you have to look at a different kind of waves, the S (secondary waves) waves that also get released by an earthquake.
1. four, bond
2. Cohesion
3. Adhesion is correct ... looked in my bio book sorry
