The repetition of responsibility in the passage helps obama achieve his purpose by providing evidence to support his speech. Emphasizing the main idea of the speech. Showcasing his expertise at writing a speech. Soothing the audience with the rhythm of the speech

The different forms of a gene for a given trait are called .

Afish fossil is found in a rock. a foot bone and tooth are found in an older layer of the same rock. what can scientists learn from the rock? a) the area changed from land to water. b) the area changed from water to land. c) the area has always been land. d) the area was once an ocean.

In wich of the following phases of the moon are you able to see the most surface area? a)new moon b)waxing crescent c)waxing gibbous d)waning cresent