fish,plants,alge.
sand
trees,flowers,soil, animals,rain water,lighting,thunder,insects,rocks,mud
The answer depends on what is meant by "fators".
ocean, rivers, pound
A river is an abiotic factor of an ecosystem because it is technically nonliving.
NO
I
1,2,4,8,24
they are 1,2,4,7,14,28
1,2,4,7,8,14,28
n
2 & 13