A. prevent cross-contamination.
Answer:
by measuring and examining a random sample of the population being analyzed.
Explanation:
These energy exchanges are not changes in kinetic energy. They are changes in bonding energy between the molecules. "If heat is coming into a substance during a phase change, then this energy is used to break the bonds between the molecules of the substance. The example we will use here is ice melting into water.
Answer:
I say, it would really be around like 50-500km. Really, it would be 70km.
Explanation:
Magma rises with convective currents, then cools and spreads intent on form ocean-floor crust. The place to start for melting has lengthy been idea to be at <em>70 kilometers</em> under the seafloor.