Sturdiness: alternatives and connections

the preservation and careful management of the environment and of natural resources

the malleability of something that can be drawn into threads or wires or hammered into thin sheets

the malleability of something that can be drawn into threads or wires or hammered into thin sheets

a naturally occurring or synthetic compound consisting of large molecules made up of a linked series of repeated simple monomers

a particular environment or walk of life; "his social sphere is limited"; "it was a closed area of employment"; "he's out of my orbit"

a particular environment or walk of life; "his social sphere is limited"; "it was a closed area of employment"; "he's out of my orbit"

the diversity of plant and animal life in a particular habitat (or in the world as a whole); "a high level of biodiversity is desirabl…

of or relating to the science of ecology; "ecological research"

of or relating to the science of ecology; "ecological research"

arrange for and reserve (something for someone else) in advance; "reserve me a seat on a flight"; "The agent booked tickets to the sho…

a state at a particular time; "a condition (or state) of disrepair"; "the current status of the arms negotiations"

an enclosed passageway; rooms usually open onto it

no longer in existence; "the extinction of a species"

a particular environment or walk of life; "his social sphere is limited"; "it was a closed area of employment"; "he's out of my orbit"

of or relating to the science of ecology; "ecological research"

of or relating to the science of ecology; "ecological research"

(of flora or fauna) in imminent danger of extinction; "an endangered species"

no longer in existence; "the extinction of a species"