Answer:
The way scarce resources get distributed within an economy determines the type of economic system. There are four different types of economies; traditional economy, market economy, command economy and mixed economy. Each type of economy has it’s own strengths and weaknesses.
Explanation:
The correct answer to the assertion and reason is D. A is wrong but R is correct
<h3>What is an Assertion?</h3>
This refers to the statement that is meant to be proven by the use of a valid supporting detail.
Hence, we can see the given assertion that modern farming methods decrease the yield of production, there is a need to show a valid reason and this is not done, hence, we can conclude that option D is correct because A is wrong but R is correct.
Read more about assertions here:
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Without a source of systematically controlled synthetic stimuli experiments on the acoustic cues for speech, perception would be impossible.
<h3>What is perception?</h3>
A perception is referred to as an opinion or mindset an individual creates about something based on the experiences of his feelings and understanding of the environment. This perception can be both negative and positive.
A Stimuli help to generate a reaction or response to any concept or issue discussed in a systematic manner to meet any decisions. So without systematically controlled stimuli experiments for speech perception would be considered impossible.
Learn more about stimuli, here:
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The first blank is hypotheses and the second blank is test