Nature and environment

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___ is a long-term change in the average weather patterns that have come to define Earth's local, regional and global climates.

It's a worthless, unwanted material that is rejected or thrown out.

___ is the term typically used to refer to the number of people in a single area.

___ the presence of substances and/or heat in environmental media (air, water, land) whose nature, location, or quantity produces undesirable environmental effects

___ the phenomenon of increasing average air temperatures near Earth's surface over the past one to two centuries.

___ is a word used to describe plant and animal species that are not doing very well.

___ is a sum total of all the living and non-living elements and their effects that influence human life.

___ is a physical change as it only involves a change in the physical state of water, from ice to water in the liquid state.

___ is a situation in which something bad or harmful is possible.

___ is the animals, plants, events, processes, and products of the earth that are not made by people.

___ is the third planet from the Sun and the only astronomical object known to harbor life.