By the year 1733 there were thirteen colonies along the atlantic coast of the north america. the colonies streched from the new Hamspshire in the north to georgia in the south. most people in the north were small farmers of craftsmen. they worked hard to feeg their families. some people cut the forests around thier settlements and built ships. they sailed and caught a fish in the sea. later their city grew into important ports and a big cites. in the south people lived by farming.
<span>1.
Household and industrial waste disposal sites and заборники liquid
effluent every year occupy new square, вычленяя new areas from
agricultural use.
2. Pollution sewage-water sources undesirable
forms of microorganisms and microfauna and solid sediment contributes to
decrease the content of oxygen in the water and change in her
composition of microorganisms.
3. Soil washout with coastal areas helps to silting of water bodies, especially of the small rivers.
4.
Смытая soil, fertilizers and organic sewage contribute to the
development of the waters of unusual algae and change of the species
composition of ecosystems.
5. The poisoning of the soil and water with toxic substances from the waste of various productions.
6.
Changing the PEAK of the soil nearby from dumping areas due to the
constant inflow of leachate, saturated with heavy metals, pesticides,
dyes, oxides of various elements.
7. Air quality iodine influence of combustion of fuel, garbage, tires, stubble residues that causes acid rain.
8.
Contamination of air, soil and water with radioactive substances, the
number of which increases every year due to human activity: the
production of nuclear energy (nuclear, atomic weapons), waste (slag)
from the manufacture of individual elements, the production of
radioactive substances (uranium, vanadium, etc.).
9. Increase in
the number of gaseous substances (carbon dioxide, dioxides)emitted into
the air (emissions of enterprises, in waste incineration etc), lowers
the amount of oxygen that contributes to climate change.
10.
Pollution of the environment with wastes of human activity is the cause
changes in the gene pool of organisms of many ecosystems, including man,
enters in food prices increased concentrations of individual substances
and compounds (reactive), changing species and population composition
of the systems.</span>
No, you shouldn't. I have already promised Mum to go to the countryside with her
The most popular show - самое популярное шоу
или тебе надо самое популярное шоу в Англии?
1.Чтение
1. F 2. T 3. F 4. T 5. T 6.F
2. Грамматика
1a 2b 3d 4a 5b 6c 7c 8a 9b 10a
3. Лексика
1a 2c 3b 4c 5c 6a 7c 8a 9c 10b 11a 12b
