The correct answer is Solid.
Answer:
True
Explanation:
The variety of species living on a coral reef is greater than in any other shallow-water marine ecosystem, making reefs one of the most diverse ecosystems on the planet. Covering less than one percent of the ocean floor, coral reefs support an estimated 25 percent of all known marine species
Answer:
B. Straight away from the source
Explanation:
In an isotropic medium, light always travels in a straight line away from the source.