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EnglishEnglish330 views·Updated May 18, 2026·3 pages

Discursive Essay Revision for Higher English

user profile picture
zarah@zarah_ubqx

Ever wondered what's really in the food you eat and... Show more

1
of 3
Zarah Munro
Word count - 1125
Should fertilisers and pesticides be used on farms?

Should fertilisers and pesticides be used on farms? Many

The Hidden Costs of Modern Farming

You've probably never thought twice about how your food is grown, but fertilisers and pesticides are changing our world in ways you might not expect. These chemicals might boost crop yields, but they're creating a chain reaction that's killing off wildlife and damaging ecosystems.

When fertilisers leak into rivers and lochs, they trigger massive algal blooms that block sunlight from reaching underwater plants. As these plants die, bacteria feast on them and use up all the oxygen in the water, suffocating fish and other aquatic life. It's like a domino effect that wipes out entire ecosystems.

Pesticides are equally destructive because they don't just kill the target pests - they take out beneficial insects too, including crucial pollinators like bees. This disrupts food chains and reduces biodiversity, making our environment less stable and resilient.

Quick Fact: Pesticides often kill species they weren't designed to target, creating unexpected gaps in food webs that can have far-reaching consequences.

2
of 3
Zarah Munro
Word count - 1125
Should fertilisers and pesticides be used on farms?

Should fertilisers and pesticides be used on farms? Many

Smarter Alternatives That Actually Work

Before you panic about food shortages, there are brilliant alternatives that don't involve dousing crops in chemicals. Genetically modified crops can be engineered to resist diseases naturally - like blight-resistant potatoes that don't need fertilisers to stay healthy.

Biological control is another game-changer where farmers use nature's own pest control system. Instead of spraying chemicals, they introduce natural predators like ladybirds to control aphid populations. It's like having a tiny army of beneficial insects doing the work for you.

The best part? We don't actually need to worry about producing less food. The UK wastes 6.7 million tonnes of food annually - that's £10.2 billion worth of perfectly good food thrown away. The problem isn't food shortage; it's food waste and poverty preventing people from accessing what's already available.

Reality Check: Hunger in the UK isn't caused by lack of food production - it's caused by poverty and inability to afford what's already in supermarkets.

3
of 3
Zarah Munro
Word count - 1125
Should fertilisers and pesticides be used on farms?

Should fertilisers and pesticides be used on farms? Many

Why Going Organic Benefits Your Health

Here's something that might surprise you: organic food isn't just better for the planet - it's better for your body too. When you eat crops grown with artificial chemicals, you're consuming substances your body wasn't designed to process.

Organic foods contain higher levels of antioxidants, which act like bodyguards for your cells, protecting them from damage and reducing your risk of heart disease. Research suggests that eating organic might even reduce your cancer risk, though scientists are still studying exactly how this works.

People with allergies often find their symptoms improve dramatically when they switch to organic foods. Your body simply responds better to food that's grown naturally without synthetic chemicals interfering with its nutritional profile.

The irony is that our current farming methods might be self-defeating. Pesticides are killing the very bees and other pollinators that crops need to reproduce. We're essentially destroying the natural systems that make farming possible in the first place.

Health Tip: If you can't afford to go fully organic, prioritise organic versions of foods you eat most often or those known to have higher pesticide residues.

We thought you’d never ask...

What is the Knowunity AI companion?

Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.

Where can I download the Knowunity app?

You can download the app from Google Play Store and Apple App Store.

Is Knowunity really free of charge?

That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.

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EnglishEnglish330 views·Updated May 18, 2026·3 pages

Discursive Essay Revision for Higher English

user profile picture
zarah@zarah_ubqx

Ever wondered what's really in the food you eat and how it affects both your body and the environment? The debate over whether farms should use fertilisers and pesticides touches on everything from biodiversity loss to your health, with some... Show more

1
of 3
Zarah Munro
Word count - 1125
Should fertilisers and pesticides be used on farms?

Should fertilisers and pesticides be used on farms? Many

Sign up to see the content. It's free!

  • Access to all documents
  • Improve your grades
  • Join milions of students

The Hidden Costs of Modern Farming

You've probably never thought twice about how your food is grown, but fertilisers and pesticides are changing our world in ways you might not expect. These chemicals might boost crop yields, but they're creating a chain reaction that's killing off wildlife and damaging ecosystems.

When fertilisers leak into rivers and lochs, they trigger massive algal blooms that block sunlight from reaching underwater plants. As these plants die, bacteria feast on them and use up all the oxygen in the water, suffocating fish and other aquatic life. It's like a domino effect that wipes out entire ecosystems.

Pesticides are equally destructive because they don't just kill the target pests - they take out beneficial insects too, including crucial pollinators like bees. This disrupts food chains and reduces biodiversity, making our environment less stable and resilient.

Quick Fact: Pesticides often kill species they weren't designed to target, creating unexpected gaps in food webs that can have far-reaching consequences.

2
of 3
Zarah Munro
Word count - 1125
Should fertilisers and pesticides be used on farms?

Should fertilisers and pesticides be used on farms? Many

Sign up to see the content. It's free!

  • Access to all documents
  • Improve your grades
  • Join milions of students

Smarter Alternatives That Actually Work

Before you panic about food shortages, there are brilliant alternatives that don't involve dousing crops in chemicals. Genetically modified crops can be engineered to resist diseases naturally - like blight-resistant potatoes that don't need fertilisers to stay healthy.

Biological control is another game-changer where farmers use nature's own pest control system. Instead of spraying chemicals, they introduce natural predators like ladybirds to control aphid populations. It's like having a tiny army of beneficial insects doing the work for you.

The best part? We don't actually need to worry about producing less food. The UK wastes 6.7 million tonnes of food annually - that's £10.2 billion worth of perfectly good food thrown away. The problem isn't food shortage; it's food waste and poverty preventing people from accessing what's already available.

Reality Check: Hunger in the UK isn't caused by lack of food production - it's caused by poverty and inability to afford what's already in supermarkets.

3
of 3
Zarah Munro
Word count - 1125
Should fertilisers and pesticides be used on farms?

Should fertilisers and pesticides be used on farms? Many

Sign up to see the content. It's free!

  • Access to all documents
  • Improve your grades
  • Join milions of students

Why Going Organic Benefits Your Health

Here's something that might surprise you: organic food isn't just better for the planet - it's better for your body too. When you eat crops grown with artificial chemicals, you're consuming substances your body wasn't designed to process.

Organic foods contain higher levels of antioxidants, which act like bodyguards for your cells, protecting them from damage and reducing your risk of heart disease. Research suggests that eating organic might even reduce your cancer risk, though scientists are still studying exactly how this works.

People with allergies often find their symptoms improve dramatically when they switch to organic foods. Your body simply responds better to food that's grown naturally without synthetic chemicals interfering with its nutritional profile.

The irony is that our current farming methods might be self-defeating. Pesticides are killing the very bees and other pollinators that crops need to reproduce. We're essentially destroying the natural systems that make farming possible in the first place.

Health Tip: If you can't afford to go fully organic, prioritise organic versions of foods you eat most often or those known to have higher pesticide residues.

We thought you’d never ask...

What is the Knowunity AI companion?

Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.

Where can I download the Knowunity app?

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EnglishEnglish

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Explore essential themes and quotes from 'The Strange Case of Dr Jekyll and Mr Hyde' for Higher English. This comprehensive guide covers duality, morality, reputation, and the conflict between civilization and savagery, providing key insights for your studies.

S412,564379
English LiteratureEnglish Literature

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913,786350
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1013,298675
English LiteratureEnglish Literature

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Quotes with detailed analysis

101,03528
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Explore key quotes and insights from pivotal characters in 'A Christmas Carol', including Scrooge, Marley, the Cratchits, and the Spirits. This summary highlights themes of redemption, social injustice, and the true meaning of Christmas, providing a comprehensive understanding of Dickens' classic.

916,737291
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101,51223
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Explore key themes from 'Men Should Weep' through detailed mindmaps covering poverty, gender roles, and interpersonal conflict. This resource highlights the struggles of women, the impact of societal expectations on men, and the dynamics of family relationships, making it essential for understanding the play's social commentary.

S53,300104
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Explore a comprehensive analysis of how Charles Dickens addresses the themes of poverty and social responsibility in 'A Christmas Carol'. This essay delves into the causes, consequences, and potential solutions to poverty as depicted through the character transformation of Scrooge and the allegorical representation of Ignorance and Want. Ideal for students aiming for a Grade 9 understanding of Victorian social issues.

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Key Romeo and Juliet themes and analysed quotes

106,561193
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Explore the complex themes of guilt and ambition in Shakespeare's 'Macbeth'. This analysis covers key characters, including Macbeth and Lady Macbeth, their moral dilemmas, and the tragic consequences of their ambition. Ideal for students studying character motivations, thematic elements, and the psychological impact of power. Includes insights on the natural order, manipulation, and the descent into madness.

918,650387
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Explore essential AQA Biology topics including Photosynthesis, Respiration, Homeostasis, Genetics, and Ecology. This comprehensive knowledge organizer covers key concepts such as energy transfer, hormonal control, and genetic variation, providing a solid foundation for your studies. Ideal for exam preparation and understanding biological processes.

108,320295

Can't find what you're looking for? Explore other subjects.

Students love us — and so will you.

4.6/5App Store
4.7/5Google Play

The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

Stefan SiOS user

This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha KlichAndroid user

Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

AnnaiOS user