OK so when I did this the answer was a and I got it right
Answer:
Though the tidal force is felt by human,but it is usually very small because our masses are small compared to that of the earth.
Explanation:
From Newton law of gravitation.
Force is directly proportional to the product of masses,hence a reduction in masses leads to a reduction in force
The value of goods and services produced within a country in a year<span>
hope this helps
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The correct answer is - Olmec.
The Olmec civilization was existing in the period between 1,200 BC up until 400 BC. This civilization developed in Mexico, more specifically in the south-central lowlands of the country. The Olmec were a very advanced civilization for their time, and they are considered as the civilization that set the basis for all the others civilizations in Mesoamerica, like the more ''famous'' Maya and Aztec civilizations. The trademark of the Olmec is the big stone heads, about which there's lot of debates about their purpose and means.
The speeds range from 30 miles per hour to 70 miles per hour
