1
the ability to continue without harming the environment
2
someone who looks after something and protects it
3
the surroundings or conditions in which a person, animal, or plant lives or operates.
4
careful about or conscious of something
5
to make a choice or decision
6
the impression left by a foot or shoe on the ground or a surface
7
a bad effect something has
8
dangerous, especially to people’s health or safety
9
to send something out into the air, especially gas, light, or heat
10
a payment usually of money for labor or services