Alvarez and his team hypothesized, and found evidence for, an asteroid impact that triggered a global extinction. Using this hypothesis, the scientific community explored other lines of evidence to support the theory including .

What do the excerpts have in common? both point out the tragic nature of situations in which children make journeys without their parents. both describe what immigrant children must do to survive when traveling to the united states. both explain why most children want to leave central america without their parents. both indicate the tragic problems and their consequences that children in central america must face.

Which word in the sentence is the object of the preposition ? scrape the dishes and put them in the sink 1)in 2)them 3)dishes 4)sink

Which statement best describe the objective of " "how to grow a school garden”?