The
– explains how wavelengths of light - and sound - change when
the source is in motion.

Electromagnetic Spectrum

Doppler Effect

Universe

Spectograph

How does the molecular clock work? a. it analyzes the brain functionality of two different species. b. it examines and compares the physical characteristics of two different species. c. it illustrates relationships between two different species. d. it compares the number of mutations that exist in the dna of two different species.

Identify the examples in which sam interacts only with natural resources

Any sound above what db can cause hearing loss in human beings