Question

spears, mikaylen
pcsd science 7 biomes fy26
most of the oxygen in the atmosphere is made by algae. where do most of the algae live?
coastal ocean
deep ocean
ponds
lakes

Explanation:

Algae need sunlight for photosynthesis. Coastal oceans have sufficient light penetration compared to deep oceans (which are too dark), and ponds/lakes are much smaller in area. So, most algae live in coastal oceans.

Answer:

coastal ocean