A jet flies over the ocean. A sound wave travels from the jet to the surface of the ocean. Almost none of the energy from the
sound passes into the water. The diagram below illustrates the path of the sound wave.
Which of the following statements about this scenario is true?
A. Both the direction and the speed of the sound waves remain the same.
B.
The direction of the sound waves changes but its speed remains the same.
C. The speed of the sound waves changes but its direction remains the same.
D.
Both the direction and the speed of the sound waves change.

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.

Which is an example of a vestigial structure? a. tail of a monkey b. fin of a fish c. flower of a plant d. tailbone of a human

First idea: suddenly, women were leaving their homes to cycle and socialize on country roads and city streets. —wheels of change, sue macy second idea: it was not a stretch for some cyclists to see the possibility of a larger role for women in the world. —wheels of change, sue macy what type of graphic organizer would best represent the connection between these two ideas? 1) a t-chart that separates ideas into two different categories 2) a chronology that shows 3) a sequence of several events a cause-and-effect graphic that shows how one idea led to another 4)a problem-solution graphic that presents a problem and a solution to the problem