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Какие из перечисленных признаков характерны для флоэмы? Выберите три верных признака из шести и запишите цифры, под которыми они указаны.
1) служит для проведения воды от корней к листьям
2) является проводящей тканью растения
3) клетки лишены клеточной стенки
4) клетки содержат хлоропласты
5) клетки лишены ядер
6) клетки имеют клетки-спутницы
Ответы 1
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6.2.3 = думаю правильно
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Автор:
donatocrawford - 6 лет назад
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The threat caused by global climate change is familiar to us all. Every day, we burn fossil fuels like coal and oil for energy. That releases tons of CO2 into the air, leading to global warming. One way people, businesses, and governments are meeting the threat is by going carbon neutral. The idea is to release a net balance of zero CO2. If enough people get involved, it can have a real impact in the fight against global warming.
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Найти угловой коэффициент касательной, проведенной к графику функций
y=-6x^2+7x-9
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