Which of the following describes the ocean biome?

A. has different levels based on how much sunlight reaches that
depth and is the largest marine biome

B. located in the photic zone and warm tropical waters with build
up of many layers of dead cnidarians

C. found where land and water meet and is covered by water at
high-tide then dry at low-tide

D. where freshwater streams meet the ocean and is a breeding
and feeding spot for birds and fish

a "theory" a suggestion that is not 100 % accurate, or a figure. some people say its a theory because they of all the passed theory's about one subject. it depends sometimes theory might be accurate and sometimes they are.

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.