término  |
definición |
|
empezar lección
|
|
|
|
|
|
empezar lección
|
|
a chemical that consists of oxygen combined with another sunstance
|
|
|
|
empezar lección
|
|
a hole in the ozone layer thought to be caused by light reacting worh some chemicals such as cfcs
|
|
|
|
empezar lección
|
|
a layer of ozone in the earth's atmosphere that protexts the earth from some of the harmful effects of the sun
|
|
|
|
empezar lección
|
|
to get inside an object or body by gettinf through something
|
|
|
|
empezar lección
|
|
happening or existinf for a long time or for all time in the future
|
|
|
|
empezar lección
|
|
a chemical used for killng insects that damage crops
|
|
|
|
empezar lección
|
|
a chemical that contains phosphorus, used especially for naking plants grow
|
|
|
|
empezar lección
|
|
the planet earth and everything on it
|
|
|
|
empezar lección
|
|
to create pollution that demages part of tge environment
|
|
|
|
empezar lección
|
|
a substance that is harmful to the environment, especially a chemical
|
|
|
|
empezar lección
|
|
the process of damaging the air, water, land or organisms wirh chemicals or other substances
|
|
|
|
empezar lección
|
|
the process of working to protext something so that it is not damaged or destroyed
|
|
|
|
empezar lección
|
|
to keep someone or something safe from harm, injury, damage or loss
|
|
|
|
empezar lección
|
|
used about amilas, plants, and other things that the law prevents people fron harming
|
|
|
|
empezar lección
|
|
a radioactive substance sontains a very harmful form of energy that is produces durint nuclear rescrions
|
|
|
|
empezar lección
|
|
the amount of rain that falls in a particular area during a particulat period of time
|
|
|
|
empezar lección
|
|
a dorest in a teopical region of the world where it rains a lot
|
|
|
|
empezar lección
|
|
an amount of light or heat from the sun
|
|
|
|
empezar lección
|
|
to improve an area of land so that it can se used
|
|
|
|
empezar lección
|
|
to treat waste materials so that they can be used again
|
|
|
|
empezar lección
|
|
to make something smaller or less in size, amount, importance
|
|
|
|
empezar lección
|
|
the process or result of makint something smaller or less im amount, size, importance
|
|
|
|
empezar lección
|
|
the act od putting new trees into a place where the original trees have beeen cut down
|
|
|
|
empezar lección
|
|
an official rule that controls the wat that thing are done
|
|
|
|
empezar lección
|
|
to let sokeonw leave a place where they have been kept
|
|
|
|
empezar lección
|
|
renewanle energy and natural materials replace themselves by natural processes si that they are never completely used up
|
|
|
|
empezar lección
|
|
an area of land where wild animals or plants are officially protected
|
|
|
|
empezar lección
|
|
1 not harmed or affected by something 2 opposed to something
|
|
|
|
empezar lección
|
|
a flow of water or chemicals from one place to anothwr especially when this damages the environment
|
|
|
|
empezar lección
|
|
the fact that thinf is safe to do or use
|
|
|
|
empezar lección
|
|
a special area where animals live in a natural environment protected from peaople
|
|
|
|
empezar lección
|
|
a severe problem is very serious and worrying
|
|
|
|
empezar lección
|
|
waste from people's bodies that is removed from houses and other buildings by a system of large underground pipes called sewers
|
|
|
|
empezar lección
|
|
a slightly dark area wgere the light from the sun does nor reach because it is blocked by something
|
|
|
|
empezar lección
|
|
an unoleasent thick wet substance
|
|
|
|
empezar lección
|
|
energy that uses the radiation of the sun's light and heat
|
|
|
|
empezar lección
|
|
a way to solve a problem or to deal with a bad situation
|
|
|
|
empezar lección
|
|
a poisonous gas with a sttong smell used in industry and often a cause of air pollution
|
|
|
|
empezar lección
|
|
a powerful acid that has no colour and is very corrosive
|
|
|
|
empezar lección
|
|
the development of a country or region that does not use more natural resources that can be replaced and so does not harm the environment
|
|
|
|
empezar lección
|
|
to allow someone to do something that you do not luke or approve of
|
|
|
|
empezar lección
|
|
the process jn which water passes from the surface of a plant into the air
|
|
|
|
empezar lección
|
|
to keep something such as air, gas or energy in a particular place
|
|
|
|
empezar lección
|
|
1 un unhealthy business or economy does not make a lot of money 2 ill, or jot phisically fit
|
|
|
|
empezar lección
|
|
a chemical element that is a metal and is used for producing nuclear energy because it is radioactive
|
|
|
|
empezar lección
|
|
the process by which towns and cities grow bigger and more and more people fo to live in them
|
|
|
|
empezar lección
|
|
the failure to use something valuable in an effective way so that it does not produce the benefits that it could
|
|
|
|
empezar lección
|
|
a natural current of air that moves fast enough for you to feel it
|
|
|
|
empezar lección
|
|
to become weaker or smaller and then disappear
|
|
|
|
empezar lección
|
|
a chemical element that is a blue-white metal
|
|
|
