The Sea (salty waters) and are formed by the freshwater ecosystem. Lakes, wetlands (swamps, ponds, marshes), groundwater and freshwater ecosystems of rivers, seas formed the saltwater ecosystems.
I am almost certain it is B, but idk for sure. B just makes sense to me
None of the children are adopted just one of the them got both of there parents blood types
O) Organic Matter
A) Surface soil
B) Subsoil
C) Parent Rock
R)Bed rock
Answer:
A: Added
B: Added
C:Removed
D:Added
Explanation:
Sorry if I am wrong but I think this is the answer :)