6424503
Descrição
FlashCards por Marquez Daniel, atualizado more than 1 year ago
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Criado por Marquez Daniel
mais de 7 anos atrás
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| Questão | Responda |
| What are the MAIN Chemical Controls to Protect Crops? | Pesticides and Herbicides. |
| What are the advantages of Biological pest controls? | No chemicals are used,so there will not be any contamination in the water and in soil. |
| How do we increase Food Production? | i) One way of increasing food production is to improve the plant and animal varieties (e.g Good seedlings will grow into bigger and better crops) |
| Why did the birds population after the use of herbicides and pesticides? | The chemicals would have destroyed the food chains. |
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