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Plant life -2


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dune
a hill of sand near a beach or in a desert
harsh
unpleasant, unkind, cruel, or more severe than is necessary
scorch
to (cause to) change colour with dry heat, or to burn slightly
principal
first in order of importance
conduct
to behave in a particular way, especially in a public or formal situation
photosynthesis
the process by which a plant uses the energy from the light of the sun to produce its own food
concentration
the ability to think carefully about something you are doing and nothing else
inhibit
to prevent someone from doing something, or to slow down a process or the growth of something
tolerance
the ability to deal with something unpleasant or annoying
competitive
wanting very much to win or be more successful than other people
spiny
covered with spines (= long, sharp points like needles)
wisp
a thin, delicate piece of hair, grass, etc.
conserve
to keep and protect something from damage, change, or waste
biodiversity
the number and types of plants and animals that exist in a particular area
saline
a liquid mixture of salt and pure water