Answer: i don't understand the question
Explanation: can you add the reading or something
Answer:
fixed interval schedule of reinforcement is the correct answer.
Explanation:
Keep people happy and equal so no one feels inferior and of course burn people who are a threat to breaking peace like people with books that are not allowed
One main reason would be the distance between the two country's, this could be very expensive depending on how far apart the countries are apart. Another conflict is the country currency, for instance 1 dollar in america could only equal 50 cent in japan. in order to purchase things in another country america would have to convert their money into the country they are try to buy money. One exchange rate is known as the flexible exchanged rate, in this system the exchange rate is calculated by supply and demand, the exchange rate in this system reflect the market. The fluctuations in currency values are only based day to day and they can change the amount of imports and exports. The other exchange rate is fixed exchange rates, in this system the governments are consistent with keeping the currency values similar to other governments. This particular system make trading easier. The only problem found in this system is that it keeps a lot of pressure n the supply and demand which is the reason why currency why values change.
Our best estimate for the age of the universe is based on what we currently know about the universe's history is 13.772 billion years.
<h3>How to calculate the age of the universe?</h3>
There are two methods by which the scientists calculate the age of the universe:
By searching for the oldest stars
By calculating the rate of expansion of the universe and generalizing back to the Big Bang Theory.
Thus, Our best estimate for the age of the universe is 13.772 billion years.
Learn more about the age of the universe
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