Detailed cross-section of earth layers shows vibrant green grass above rich topsoil, subsoil with pebbles, and deep, dense bedrock below.
Schlüsselwörter
earth,
layer,
grass,
topsoil,
subsoil,
pebble,
bedrock,
cross section,
detailed,
vibrant,
green,
rich,
deep,
dense,
dirtied,
dirt,
ground,
geology,
science,
nature,
environment,
agriculture,
farming,
gardening,
ecosystem,
strata,
sediment,
rock,
stone,
mineral,
organic,
matter,
composition,
structure,
underground,
subterranean,
crust,
analysis,
study,
diagram,
illustration,
education,
learning,
planet,
earth,
natural,
resource,
foundation,
footed
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