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.
Apartheid was a system used in the 1900s that isolated people according to race. The white minority ruled and the policy discriminated against non-white population groups such as Natives, African Americans, and Indians. This system effected South Africa greatly because it led to South Africa’s new constitution, which is founded on the values of the advancement of human rights and freedom.
<em>I hope this helps :) GL</em>
Answer:
anxiety
Explanation:
Anxiety may be defined as a disorder of one's mental health which is characterized by the feelings of anxiety, worry, or fear which are so strong that it can interfere one's daily activities and behaviors.
Anxiety is our body's natural response to stress.
In the context, whenever Bill is in the aeroplane, he feels fear of flying and his nervous system automatically arouses because of the fear. This behavior is called as anxiety.
Behaviorists probably. They believe external factors change the way we respond to stimuli.
Trial and error learning
This correct response to an activity which was learned after many failed attempts is called ___________ learning
