What is the greatest eliminator of a species in terms of habitat destruction?

Your target variable is δf, the magnitude of the difference in frequency between the waves emitted from the sonar device and the waves received by the device after reflecting off the whale. write an expression for δf in terms of the relevant frequencies using the subscript notation introduced above.

What object a collides with object b and bounces back its final momentum is?

Select the correct answer. what does the process of natural selection involve?