Plate boundaries are the edges where two points meet.
The modern classification was invented because the scientists understood that species share a common ancestor. The correct answer will be C
Answer:
The answer to your question is sample A and sample C.
Explanation:
Melting point is a physical property of substances, physical properties do not depend on the amount of matter, so it doesn't matter that in one sample we have 5 kg and in the other we have 2 kg.
Besides in samples B and C we have the same amount of matter, they are different substances(copper and iron) so, their melting points are different.
Also, in samples A and D, we have the same amount of matter, but they are different substances so their melting points are different.
Body size, energy metabolism and lifespan. Bigger animals live longer, bigger animals aslo expend more energy, and the scaling exponent for the relationship of resting metabolic rate (RMR) to body massage lies somewhere between 0.66 and 0.8.
Archaea, (domain Archaea), any of a group of single-celled prokaryotic organisms (that is, organisms whose cells lack a defined nucleus) that have distinct molecular characteristics separating them from bacteria