Answer: The invention of the agricultural machine such as thresher, the green revolution.
Explanation:
- The invention of the agricultural machinery of the peasants contributed to the development of farming activity. Scottish inventor Andrew Meikle designed the rig. This machine has made it easier to operate and increase productivity. The jigsaws, which separated the grain from the straw, became more efficient after 1850 when farmworkers hooked up the steam engines that propelled them.
- In 1960, a green revolution occurred. Many high-yielding species have been invented to increase wheat and rice production, especially in densely populated countries such as India and China. Critics have argued that such a process is destroying the environment due to the excessive use of fertilizers and concentrating on only a few species. More recently, farmers have been rediscovering traditional farming methods and the use of organic fertilizers and pesticides.
Answer:
D) Room temperature
Explanation:
For the experiment to work and have good reliable results there should only be one variable. In this case, the variable is the noise level, and the different room temperatures would influence the experiment's results.
The correct option is option B.
<h3>What are the features of ottonion manuscripts?</h3>
- Illuminated manuscripts made of metal that portrayed religious writings and beliefs are known as Ottonian manuscripts.
- Between the tenth and the eleventh centuries, during the Renaissance, Germany produced these works of art.
- Monks and nuns in the monasteries during those times created the Ottonian writings and artwork.
Learn more about ottonion manuscripts here:
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Answer:
D. cognitive
Explanation:
Cognitive psychologist: The term cognitive psychologist refers to the mental health professionals who have completed a Master's degree in psychology and tends to understand human being's thoughts, behaviors, and mental processes.
Cognitive psychologists are considered to be interested in topics including reasoning, attention, memory, problem-solving, retrieval & forgetting, and visual & auditory perception.
In the question above, the given hypothesis would most likely be tested by cognitive psychologists.
