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Talk about causes and effects of a certain type of ppllution as well as solutions to this problem pollution enters the Earth's atmosphere in many different ways?

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1) Talk about causes and effects of a certain type of ppllution as well as solutions to this problem. ( Ô nhiễm nước, ô nhiễm đất, ô nhiễm không khí, ô nhiễm tiếng ồn, mỗi thứ 1 cái :V )

2) Talk about natural diasters and ways to prepare for them.

3) Talk about ways of communication now and in the future

4) Talk about the inventions

5) Talk about the roles of science and technology

Trả lời câu hỏi :V

1)When does air pollution occur??

2)What should people do to reduce air pollution?

3)What is water pollution?

4)What should people do to reduce water pollution?

5)What have caused air pollutionhttps:https://hoc247.net/image/faq/data2/216985_.https://hoc247.net/image/faq/data2/216985_.hoc247.nethttps://hoc247.net/image/faq/data2/216985_.imagehttps://hoc247.net/image/faq/data2/216985_.faqhttps://hoc247.net/image/faq/data2/216985_.data2https://hoc247.net/image/faq/data2/216985_.563596_. water pollution?

6)What effects can water pollutionhttps:https://hoc247.net/image/faq/data2/216985_.https://hoc247.net/image/faq/data2/216985_.hoc247.nethttps://hoc247.net/image/faq/data2/216985_.imagehttps://hoc247.net/image/faq/data2/216985_.faqhttps://hoc247.net/image/faq/data2/216985_.data2https://hoc247.net/image/faq/data2/216985_.563596_. air pollution have?

7)List eight types of pollution you have learnt

8)Are there more natural disasters now than there were in the past? Why (not) ?

9)What should we do to prepare a typhoonhttps:https://hoc247.net/image/faq/data2/216985_.https://hoc247.net/image/faq/data2/216985_.hoc247.nethttps://hoc247.net/image/faq/data2/216985_.imagehttps://hoc247.net/image/faq/data2/216985_.faqhttps://hoc247.net/image/faq/data2/216985_.data2https://hoc247.net/image/faq/data2/216985_.563596_. floodshttps:https://hoc247.net/image/faq/data2/216985_.https://hoc247.net/image/faq/data2/216985_.hoc247.nethttps://hoc247.net/image/faq/data2/216985_.imagehttps://hoc247.net/image/faq/data2/216985_.faqhttps://hoc247.net/image/faq/data2/216985_.data2https://hoc247.net/image/faq/data2/216985_.563596_. drought?

10)What should we do to minimizehttps:https://hoc247.net/image/faq/data2/216985_.https://hoc247.net/image/faq/data2/216985_.hoc247.nethttps://hoc247.net/image/faq/data2/216985_.imagehttps://hoc247.net/image/faq/data2/216985_.faqhttps://hoc247.net/image/faq/data2/216985_.data2https://hoc247.net/image/faq/data2/216985_.563596_. deal with forest fires?

11)What do we need to know in case of evacuation?

12)Have you ever used social media to communicate with other people? What for? What 13)are the good things and bads thing when you use social media?

14)What does communication breakdown mean?

15)Three reason for communication breakdown.

16)What can you do to help avoid language barrier in communication?

17)What is its importance in our life?

18)What negative effects will robots have in the future?

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Trả lời (1)

  • Bài 4,5 mk gửi cho bn rồi đó !!!

    1.Pollution enters the Earth's atmosphere in many different ways. Most air pollution is created by people, taking the form of emissions from factories, cars, planes, or aerosol cans. Second-hand cigarette smoke is also considered air pollution. These man-made sources of pollution are called anthropogenic sources.
    Some types of air pollution, such as smoke from wildfires or ash from volcanoes, occur naturally. These are called natural sources.

    2.Every time we drive to school, use our heater or air conditioner, clean our windows, or even style our hair, we make choices that affect air pollution. These steps, as well as many others, are things we all can do to help reduce air pollution.

    • Conserve energy – remember to turn off lights, computers, and electric appliances when not in use.
    • Use energy efficient light bulbs and appliances.
    • Participate in your local utility’s energy conservation programs.
    • Limit driving by carpooling, using public transportation, biking and walking.
    • Combine errands for fewer trips.
    • Keep your automobile well tuned and maintained. Follow the manufacturer’s instructions on routine maintenance, such as changing the oil and filters, and checking tire pressure and wheel alignment.
    • Avoid excessive idling of your automobile.

    3.

    Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans, aquifers and groundwater). This form of environmental degradation occurs when pollutants are directly or indirectly discharged into water bodies without adequate treatment to remove harmful compounds.

    Water pollution affects the entire biosphere – plants and organisms living in these bodies of water. In almost all cases the effect is damaging not only to individual species and population, but also to the natural biological communities.

    4.

    If you want to help keep our waters clean, there are many things you can do to help. You can prevent water pollution of nearby rivers and lakes as well as groundwater and drinking water by following some simple guidelines in your everyday life.

    • Conserve water by turning off the tap when running water is not necessary. This helps prevent water shortages and reduces the amount of contaminated water that needs treatment.
    • Be careful about what you throw down your sink or toilet. Don’t throw paints, oils or other forms of litter down the drain.
    • Use environmentally household products, such as washing powder, household cleaning agents and toiletries.
    • Take great care not to overuse pesticides and fertilisers. This will prevent runoffs of the material into nearby water sources.
    • By having more plants in your garden you are preventing fertiliser, pesticides and contaminated water from running off into nearby water sources.
    • Don’t throw litter into rivers, lakes or oceans. Help clean up any litter you see on beaches or in rivers and lakes, make sure it is safe to collect the litter and put it in a nearby dustbin.

    5.

    1. Industrial waste: Industries produce huge amount of waste which contains toxic chemicals and pollutants which can cause air pollution and damage to us and our environment. They contain pollutants such as lead, mercury, sulphur, asbestos, nitrates and many other harmful chemicals. Many industries do not have proper waste management system and drain the waste in the fresh water which goes into rivers, canals and later in to sea.

    2. Sewage and waste water: The sewage and waste water that is produced by each household is chemically treated and released in to sea with fresh water. The sewage water carries harmful bacteria and chemicals that can cause serious health problems. Pathogens are known as a common water pollutant; The sewers of cities house several pathogens and thereby diseases.

    3. Mining activities: Mining is the process of crushing the rock and extracting coal and other minerals from underground. These elements when extracted in the raw form contains harmful chemicals and can increase the amount of toxic elements when mixed up with water which may result in health problems.

    4. Marine dumping: The garbage produce by each household in the form of paper, aluminum, rubber, glass, plastic, food if collected and deposited into the sea in some countries. These items take from 2 weeks to 200 years to decompose.

    5. Accidental Oil leakage: Oil spill pose a huge concern as large amount of oil enters into the sea and does not dissolve with water; there by opens problem for local marine wildlife such as fish, birds and sea otters.

    6. Burning of fossil fuels: Fossil fuels like coal and oil when burnt produce substantial amount of ash in the atmosphere. The particles which contain toxic chemicals when mixed with water vapor result in acid rain. Also, carbon dioxide is released from burning of fossil fuels which result in global warming.

    7. Chemical fertilizers and pesticides: Chemical fertilizers and pesticides are used by farmers to protect crops from insects and bacterias. They are useful for the plants growth. However, when these chemicals are mixed up with water produce harmful for plants and animals.....

    6.

    Death of aquatic (water) animals
    The main problem caused by water pollution is that it kills organisms that depend on these water bodies. Dead fish, crabs, birds and sea gulls, dolphins, and many other animals often wind up on beaches, killed by pollutants in their habitat (living environment).

    facts on water pollutionDisruption of food-chains
    Pollution disrupts the natural food chain as well. Pollutants such as lead and cadmium are eaten by tiny animals. Later, these animals are consumed by fish and shellfish, and the food chain continues to be disrupted at all higher levels.

    Diseases
    Eventually, humans are affected by this process as well. People can get diseases such as hepatitis by eating seafood that has been poisoned. In many poor nations, there is always outbreak of cholera and diseases as a result of poor drinking water treatment from contaminated waters.
    Did you read about the Water contamination in Flint, Michigan, USA? Read here.

    facts on water pollutionDestruction of ecosystems
    Ecosystems (the interaction of living things in a place, depending on each other for life) can be severely changed or destroyed by water pollution. Many areas are now being affected by careless human pollution, and this pollution is coming back to hurt humans in many ways.

    7.

    Air pollution

    Water pollution

    Soil Pollution

    Radioactive Pollution

    Noise Pollution

    Thermal Pollution

    Light Pollution

    Visual Pollution

    Personal Pollution

    8.

    Are natural disasters increasing? Yes. Natural disasters are unpreventable occurrences that take place, ranging from mild to absolutely destructive. In recent years, it may seem as if these storms have increased from prior decades.

    According to recent studies, it is true: the number of natural and geophysical disasters taking place each year is noticeably skyrocketing.

    Geophysical disasters include earthquakes, volcanoes, dry rock-falls, landslides and avalanches. Climatic disasters are classified as floods, storms, tropical cyclones, local storms, heat/cold waves, droughts and wildfires.

    9.When you buy a home, you want to protect it. Nothing should take away your sanctuary—not bad weather or unexplainable freak accidents.Luyện tập tổng hợp

    10.Human-initiated fires are to blame for a high amount of property damage; loss of wildlife habitat and the lives of humans and animals. Some forest fires are the result of carelessness or improper habits when engaging in outdoor activities. Familiarizing yourself with appropriate forest fire preventive measures not only helps you become a more aware individual when it comes to protecting the safety and natural resources in your region, but also helps you better spread the word

      bởi Nguyễn Phương 31/12/2019
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