Question

Mangroves tree contain high amount of:
O 1)
none
O2)
Nitrogen
O3)
Carbon
O 4)
Oxygen
.

Answer 1

Mangrove forests are excellent at absorbing and storing carbon from the atmosphere.As the trees grow the take the carbon from the carbon dioxid(CO2) and use it as a building blocks for their leaves, roots and branches.

Hence your answer is 3)Carbon

Hope it's helpful...