Answer:
Coral reefs interact with the hydrosphere by keeping the ocean cleaner and less waves.
Explanation:
It needs a C) host cell in order to reproduce
A hypothesis is more or less an educated guess. An observation is noticing something and taking note of it. A theory is a possible explanation of how something works, and a law is a well tested statement. The answer is law.
Je ne peux pas vraiment expliquer la réponse en raison de votre question confuse, mais voici une note pour faire des questions non confuses la prochaine fois
