________are Chemicals that are used to kill unwanted plants, such as weed Fertilizers Herbicides Pantolluts Pesticides There would be much less pollution________ people stopped using cars completely. when although if since 6. Choose the letter A, B, C or D the word that has different stress pattern from others. Japanese Chinese Cantonese Taiwanese 7. Choose the letter A, B, C or D the word that has different stress pattern from others. physical logical botanical national 11. Many flights were cancelled ________ the smoke from forest fires. result so because of because