I think the best answer is B. Both are controversial since both projects are very destructive to the environment. Environmental issues rise during the Pacua Dam and the Intercoastal Highway Projects. The construction of these projects are said to destroy and damage ecosystem.
Earth's crust is a dynamic place. Volcanic eruptions, erosion, and large-scale movements of the continents rework the surface of our planet constantly. Plate tectonics is the scientific theory explaining the movement of the earth's crust. It is widely accepted by scientists today. Recall that both continental landmasses and the ocean floor are part of the earth's crust, and that the crust is broken into individual pieces called tectonic plates.
Hoped I helped.
Answer:
relativistic doppler effectand gravitational redshift
