Precipitation that is more acidic than normal because of air pollution.
Capable of being broken down by bacteria and other decomposers.
Fuel made from living things.
Human-made gases containing chlorine and fluorine
The process of helping biodegradable wastes to decompose naturally.
A period of less rain than usual
The study of how living things interact with each other and their environment
The community of organisms that live in a particular area, along with their nonliving surroundings
Pollutants that are released into the air
An energy-rich substance (such as coal, oil, or natural gas)
The theory that increasing carbon dioxide in the atmosphere will raise Earth's temperature.
The trapping of heat near Earth's surface by certain gases in the atmosphere.
The breaking of a habitat into smaller, isolated pieces.
An energy-rich chemical compound that contains carbon and hydrogen atoms.
A species that influences the survival of many others in an ecosystem.
A thick, brownish haze formed when certain gases react with sunlight
A resource that is either always available or is naturally replaced in a relatively short time.
A close relationship between two species that benefits at least one of the species.
A condition in which a layer of warm air traps polluted air close to Earth’s suface
A species that could become endangered in the near future.
The air that surrounds us (10)
a community together with its environment (9)
carelessly discharged paper (6)
of or pertaining to the sun (5)
the exhaust produced by cars (9)
a mixture of decaying materials used as fertilizer (7)
the circumstances or conditions that surround us (11)
to make unfit for or harmful to living things (7)
to keep in existence: maintain (11)
a method of solid waste disposal (8)
to protect from loss or depletion (8)
no longer living (7)
to keep or maintain (8)
to make new or restore (9)
grown or raised without chemicals (7)
the science of organisms and their environment (7)
the area or environment in which we live (7)
to use again as for another purpose (7)
What small molecules like ethene are called?
What is the process of joining together molecules like ethene to form long chains of atoms called?
What are large molecules consisting of thousands of monomers often called?
Which polymer is commonly used for shopping bags and bottles?
Which polymer is commonly used for packing and insulation?
Which polymer is commonly used for rope and carpet fibres?
What type of problem occurs because of dumping non-biodegradable plastics?
Incineration of non-biodegradable plastics causes what to be released?
Two different monomers joined by an ester link are often called?
What is it called when a water molecule is lost each time 2 starting molecules link up?
What link is formed as nylon?
What type of bond is between the two carbons?
What type of insulator can polythene be used as?
What can polythene be a substitute for?
Along with heating and high pressure what else is needed to make polythene?
Because only one product is formed in polymerisation, what is this process called?
What polymer is used for non stick frying pans?
What does PVC stand for?
Nylon is often woven into?