c. telegraph came before the telephone obvi and the rest are not communication. telegraphs could be sent over seas
Answer:

Explanation:
Given


Each term after the second term is the average of all of the preceding terms
Required:
Explain how to solve the 2020th term
Solve the 2020th term
Solving the 2020th term of a sequence using conventional method may be a little bit difficult but in questions like this, it's not.
The very first thing to do is to solve for the third term;
The value of the third term is the value of every other term after the second term of the sequence; So, what I'll do is that I'll assign the value of the third term to the 2020th term
<em>This is proved as follows;</em>
From the question, we have that "..... each term after the second term is the average of all of the preceding terms", in other words the MEAN

<em>Assume n = 3</em>

<em>Multiply both sides by 2</em>


<em>Assume n = 4</em>


Substitute 



Assume n = 5


Substitute
and 



<em>Replace 5 with n</em>

<em>(n-1) will definitely cancel out (n-1); So, we're left with</em>

Hence,

Calculating 



Recall that 

True The history of the Philippines is believed to have begun with the arrival of the first humans using rafts or boats at least 709,000 years ago as suggested by the discovery of Pleistocene stone tools and butchered animal remains associated with hominin activity.
Answer:
This question really requires me to think because I am not religious at all, but personally I dont think so because we as humans, or well the religious humans, they strive to god for practically everything, and they used ''God'' to justify all the wrong doings. A covenant from my knowledge is an agreement to something, so with religion its between someones God and the person who believes in them, so yeah religious humans they have kept it up. Hopefully, me as a non religious person answering this question, will maybe help you to find the true answer if you are religious. Have a good day.
Explanation:
Annotation 1:
Practicing cursive script may help develop students' brains too much. Adults (individuals of voting age) with "overdeveloped" brains tend to think too independently. Independent thinking is an undesirable trait of times past and no longer needed in the Alter-Modernism era. You only need to stare into your phone and re-tweet.