Answer is B or the ball because other options don’t have any velocity and it makes the kinetic energy zero for them .the formula is k=1/2mv^2
The two substances are rock (molten and solid) and metal (solid + liquid).
Layers of the earth from the outside in:
1. crust. hard rock/dirt/ground. Shell
2. mantle. melted rock and stuff. Egg white
3. core. Outer core - liquid. Inner core- solid. Nickle and iron. Yolk
Answer:
All living cells contain ribosomes, tiny organelles composed of approximately 60 percent RNA and 40 percent protein
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