Answer the following question given this paragraph: 

Warmer oceans are hostile to algae and cytoplankton , which are the most important absorbers of carbon dioxide. The loss of these two photosynthesizers would remove the most important natural sink.


Q: What type of oceans are hostile to algae and cytoplankton?

 Choices:

- deeper

- shallower

- colder

- warmer

A:
warmer
