Iii.укажите предложения, содержащие независимый причастный оборот. переведите предложения. 1. plant breeding being the science of changing the heredity of plants, the scientists widely use it in improving crop plants. 2. many plant sciences are used by plant breeders in developing new varieties of crops, genetics and cytogenetics being most important. 3. many varieties of corn producing good yields of high quality forage and grain are cultivated throughout our country. 4. each plant has two parts, the roots and the above-ground portion, the latter consisting of leaves and stems. 5. the stem of corn varies greatly in length in different varieties, the usual length being 5 to 10 feet. 6. planting machines being used, a smaller amount of seed is required.