Paleolithic humans used a variety of stone tools including hand axes, they formed spears my sharpening sticks. In conclusion, they first used stone tools e.g rocks to make fire since that was abundant and available to them.
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8.7 million
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Martin Luther King was 35 when he received the Nobel Peace Prize
Answer: The correct answer is emphysema.
Explanation: Physical activity has shown to be one of the most important key elements in pulmonary disease rehabilitation with certain exercises being <u>more pertinent than others. </u>
<u>Doctors usually recommend to people diagnosed with emphysema stretching exercises, breathing exercises and aerobic exercises to improve the prognosis. </u>
In conclusion, physical activity helps to reduce certain chronic diseases such as emphysema.
The exercises should be recommended by Doctors, because some of them may worsen the condition.
Answer:
structured
Explanation:
conducting research studies mostly requires structured questions to avoid inconclusive results because there would be constant variables that do not have to change and there would be variables that will need to change.