Answer:
3.) Pumice
Explanation:
"Pumice is widely used as an abrasive in soaps and cleaners. It is considered one of the softest abrasives on earth."
Quakes normally occur around one of the 3 plate tectonic movement
As compared to the rest of the children in the world, the children in Costa Rica are very literate. The correct option among all the options that are given in the question is the first option.The education system of the country of Costa Rica remained free for all the citizens since the year 1869. I hope it helps you.
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Below are the choices. the answer is C.
A) mass extinctions, leading to bottleneck effect
B) major evolutionary innovations, leading to rafting to nearby continents
C) a variety of empty ecological niches, leading to adaptive radiation
<span>D) adaptive radiation, leading to founder effect</span>
Answer: B for the 1st question and C for the 2nd question
Explanation: The founding fathers were enlightened thinkers, meaning to reasoned and see things the way they are. They were influence of the ideas of ancient democracies such as those of ancient Greece and the republic of the Roman empire before Julius Ceasar.
Democracy comes from the Greek word, demos meaning people and ocracy, meaning society of. The word means society of the people.
The senate comes from the Roman empire.
Hope this explanation helps.
