False. An eyewitness account, is a primary source. A tertiary source is an index or textual consolidation of primary and secondary sources. :)
The correct answer is
“Sea mountains form a thriving ecosystem of underwater plants and animals, some of which have never been documented by scientists.”
6+1/4= 6 1/4
Jason runs 6 miles, and Megan runs 1/4 of a mile more, therefore you must add 1/4 to 6 to get the correct answer.
6/1 + 1/4= 24/4 + 1/4= 25/4
Simplify 25/4 and get 6 1/4.
Answer:
by hand,
Explanation:
if you could add a picture it would be clearer
