D. rift valleys.
Trenches occur at convergent oceanic plates; fossils are extremely old bones, bodies, or footprints, which have gotten so old the intervening years have turned them into rock; U-shaped valleys are valleys which are shaped like the letter U, and are usually formed by glaciers, which tend not to occur underwater very often.
D, however, political instability is a worse problem <span />
Answer:
Coral reefs are facing many threats such as physical damage, pollution that originates on land, overfishing, coral harvesting, etc
Explanation:
I looked it up on the web, you'll find more of the threats that coral reefs face if you search it up.
Answer:
Location Affect
Effective communication, concerning environmental contexts like location, depends on comfort. If someone is uncomfortable in their environment, communication might break down, which produces barriers to the effectiveness of the message and how it's received or delivered.
Explanation:
The main cause of the Hati earthquake was at a fault that runs through Hati and is along the boundary between the Caribbean and North American plates.
