A person is observing the oscillations of a wave. If the wave source begins to move away from the person, what will the person notice? A.
The wavelength will decrease.
B.
The wave appears to have a different amplitude.
C.
The wave appears to change speed.
D.
The wave appears to oscillate at a different rate.

How can active reading strategies you? o a. they can you get into better physical shape. o b. they can you read fewer science articles. o c. they can you understand what you read. o d. they can you avoid reading altogether.

The distribution of related animals and plants across the world

Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.