Not all of them are correct but one which is "enhance the clarity of a speaker's ideas".
Visual aid is an instructional gadget, for example, a graph, guide, or model that interests essentially to vision; particularly an instructive movie or filmstrip etc. but they still need explanation from the speaker but help his speech in creating clarity for the audience.
What characteristics do most fish have that are missing from jawless fish?
Social psychology studies human thinking and how it affect all he does.
<h3>What is Social psychology?</h3>
Social psychology studies of how human thinks, feels and what they believe and how these could affect how they interact in the environment.
An individual social psychology could affect his or her profession this is because environment have a way of influencing psychology.
Therefore, social psychology studies human thinking and how it affect all he does.
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In my opinion the Government has to do just two thing: give security to people (police force) and an adequate legal system. All the other things can be done by the private sector and even the two things mentioned before can be done by private companies. I am not Keynesian. I don't believe in the government intervention. I believe that politicians have their own agenda and it is not helping people but to be elected.
It will result in increased air pollution, leading to an increase in the layer of oson (<em>around the Earth there is a fragile layer of a gas called ozone, which protects animals, plants and humans from ultraviolet rays emitted by the sun</em>), climate change and a decrease in the quality of life of the local population with loss of air quality. In short, the environment will be gradually attained which will affect even future generations.
The decisions on whether a plant complies with the regulations should be based on how much pollution it could potentially emit, rather than the current standard of how much it pollutes.
