Answer:
Martin is going to tutor Robin in math in exchange for baseball cards.
Frank is working to earn Mt. Tanner's antique bike by cutting his grass each week.
Explanation:
The exchange of goods and services refers to the system of bartering where the individuals doing the exchange make no use of money. In other words, the system of barter, commerce where there is an exchange between goods and services between people without the use of money.
In the given sentences, there is an exchange of goods and services in the case of Martin and Robin, and Frank and Mr. Tanner. In these two instances, the <u>exchange does not involve money but an exchange between services rendered and goods given in return for the services.</u>
Thus, the correct answer is the third and sixth options.
Answer: they thought black people were worse than white
Explanation: Because they thought that they didnt let them do as much things as white such as incorporeating into something.
The answer is: nothing
Explanation:
The answer to this riddle is "nothing." Nothing is greater than God, and nothing is more evil than the devil. The poor have nothing, while the rich need nothing. Finally, if you eat nothing, you will die.
Answer:
It includes different sciences, such as biology, chemistry, and earth sciences. With the help of toxicology, environmental scientists can study the toxic effects of chemicals on humans.
Explanation:
I hope this helps!
