The answer for this question is human society
D) cognitive, solving puzzles develops those skills
Ticos are generally proud of their political freedoms and their relatively stable economy. Costa Rica's well-populated heartland, formed in and around the upland ...
Answer:
Explanation:
The toothbrush as we know it today was not invented until 1938. However, early forms of the toothbrush have been in existence since 3000 BC. Ancient civilizations used a "chew stick," which was a thin twig with a frayed end. These 'chew sticks' were rubbed against the teeth