This statement can be interpreted variously. It probably means that some people make contributions that enrich our lives, and other people only enrich the ground they are buried in.
earthworms
farmers
snail enriches the soil by its waste(poo)
yes
earth's name means fertile soil
Humus can do such a thing like that
their bodies decompose and enrich the soil so that plants can grow
Farming involves providing for the people on earth, but you already knew that. most farmers use pesticides, which could cause pollution, but they also enrich the soil by planting crops and letting what they dont harvest decay and turn into humus. So, when you think about it, farming has a lot to do with the earth.
the rivers flood and that means the soil is open to farm and grow crops.
The farmland was replowed to enrich the soil.
fertilizer
Yes it can, a decaying body is essentially fertilizer and nourishment for the soil.