The shortening of a transmitted signal's wavelength and/or an increase in its frequency, which indicates that the object is moving toward the observer, is called the

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?

Will mark branliest. the theory of plate tectonics was developed with the contribution of scientists from many different disciplines. which of the following is a contribution from geophysicists?

Select the correct answer from each drop-down menu proteins are