Answer:
Hunter gatherers had to move from place to place to ensure that their supply of food is not diminished. By moving from place to place they took advantage of the local flora and fauna which needed time to replenish its resources.
Explanation:
Best I can do : )
Answer:
Having someone else test the dogs
Explanation:
Hello! To improve the method of Kara, she need to hire someone else to train the dogs, so she can see what the results would be like with other people doing the technique and notice the variation to improve the use of the new experiment, in case the results reach 100 %
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Answer:
Travel (most likely) or trading
Explanation:
I think your answer is D.) Labor Unions although if this is incorrect please let me know so I can research more on the subject.
The size and growth rate of the human population has changed in the past 200 years because reproduction rates have increased due to the large number of people in the world
