3 million whales were killed ..............
C. Perfect competition
This is an unlikely scenario in which buyers and sellers all get to be perfectly informed as to all of the present options for quality, price, etc.
Evolution is a theory because it is an explanation that is supported by extensive observations, experimentation and reasoning.
Option B
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Explanation:</u></h3>
There can be many reasons that evolution is a theory.
1. A scheme or system of ideas or statements that are kept as an explanation or account of a group of facts or phenomena.
2. It is a hypothesis that is confirmed by observation or experiment and is accepted as accounting for the known facts.
3. Evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection.
There are tonnes of evidences of evolution on the planet Earth.The most common example is the evolution of man. From australopithecus afarensis to homo sapiens today.
