ответ: be was/were been быть
give gave given давать
swim swam swum плавать
build built built строить
find found found находить
leave left left уходить
see sawe seen смотреть
write wrote written писать
go went gone идти
sing sang sung петь
Объяснение: все правильно =) можете не переживать обеспечено!(удачи)
The three major types of environmental pollution are air, water, and soil. Besides these three main types, there are noise, light, and thermal pollutions. 1. Air Pollution. The air in our atmosphere has a roughly stable chemical composition consisting of nitrogen, oxygen, argon, carbon dioxide, and trace amounts of other gases. ... Air pollution can happen from both human-made (anthropogenic) and natural sources. Some of the significant sources of air pollution are given below: Burning of fossil fuels such as coal, oil, and natural gas. Exhaust from automobiles and industries.
Объяснение:
А:
1)Air pollution is the introduction of harmful substances into the air, which has a negative impact on the environment, as well as on humans. As a result, the air is no longer clean.
2)Water pollution includes harmful emissions into rivers, seas, oceans, lakes and groundwater.
This happens when foreign chemicals or materials enter the water, which can lead to negative consequences for the ecosystem of the water body.
3)Land Contamination - Land contamination occurs when garbage is not disposed of, which in turn causes toxins and chemicals to enter the soil.
It also happens when people dump chemicals on the ground. The development and development of deposits also leads to a deterioration in the quality of land.
All this leads to significant negative consequences for human health, for the state of the flora and soil quality.
В:
Yes, if a natural disaster destroyed a chemical plant. And the chemicals have been soaked into the soil of the land or seeped into the sea / ocean.
С:
people.
1. be was/were been быть
2. give gove given давать
3. swim swam swum плавать
4.build built built строить
5. find found found находить
6. leave left left покидать
7. see saw seen видеть/смотреть
8. write wrote written писать
9. go went gone идти
10. sing sang sung петь