In what ways are plants involved in the carbon and oxygen cycles?

Plants use carbon dioxide in a process known as photosynthesis. In this process Plans give off oxygen as a waste product carbon dioxide moves from the air into the leaves of plants through tiny openings in the plants leaves

Animals and plants are connected to each other by the oxygen Carbon dioxide cycle

well schools are being forced to embrace computers. unlike their "digital immigrant" teachers, these students are "digital natives", born into a world where technology is an integral part of everyday life. almost every student has access to a multitude of computers, laptops and tablet devices. it would be crazy to assume an assignment would  not be written on computer in this day and age.

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a- all cells come from pre-existing cells