1. Which statement identifies the central idea of the text? O A Scientists know more about the biological functions of yawning than why some social species "catch" yawns
from each other.
O B Scientists believe that dogs are more likely to engage in contagious yawning because they are more
empathetic than most humans.
O C While scientists do not know what causes yawning, they have found that people who yawn more frequently
are often mentally and physically healthier.
D While scientists have limited knowledge about why we yawn, studies have shown that people and animals can
"catch" yawns from social interactions.

What was the biggest type of pirate ship called?

How did the language of the gettysburg address differ from the language in the secondary source about this speech?

Plz hurry the graph below shows the distances, in miles, that a dragonfly can travel in a certain number of hours: a graph titled motion of a dragonfly shows time in hours on the x axis and distance in miles on the y axis. the scale on the x axis shows number from 0 to 10 at increments of 2 and on the y axis the numbers are shown from 0 to 250 at increments of 50. a straight line joins the ordered pairs 0, 0 and 2, 50 and 4, 100 and 6, 150 based on the graph, what is the dependent variable, the equation relating the two variables, and how far will the dragonfly travel in 24 hours if it continues to fly at the same speed?