According to the theory of punctuated equilibrium which event could lead to speciation

Which term describes the number of waves that pass a given point in a given time? crest frequency trough wavelength

Now it's your turn to investigate human impact around the world. grab your virtual lab coat and put on your environmental science hat. you will be taking a trip around the globe to explore three locations. at each location, you will investigate the cause and effect relationships of deforestation, desertification, and urbanization. you will also gather evidence of how these factors have impacted the environment over time

How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?