Soil

Soil

Pine tree bark

Pine tree bark

Cellulose Medium

Cellulose Medium

Bioplastic

Bioplastic

Hempcrete

Hempcrete

Japanese knotweed

Japanese knotweed

Plantroot

Plantroot

Rain

Rain

Lithoplast

Lithoplast

Cow bone

Cow bone

Black Walnut

Black Walnut

Cow blood

Cow blood

Metal waste

Metal waste

Mycelium

Mycelium

Tear

Tear

Bark

Bark

Avocado seed

Avocado seed

Egg

Egg

Human hair

Human hair

Blood, fat, bone

Blood, fat, bone

Bacteria

Bacteria

Mineral residue

Mineral residue

Cow Stomach

Cow Stomach