Question

Deep in the ocean sunlight can hardly reach yet plants like brown and red algae are found here . How do they synthesise their food?

Answer 1

they synthesise their food by the process of photosynthesis by the sunlight.

Answer 2

deep in the ocean light can hardly which yet they are our planet like brown and red algae found here I'll be approximately 300 feet under the ocean surface algorithm receive sunlight and oxygen thought life and after that only they fell to the bottom of the ocean and decay