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Transpiration is the process in plants by which water travels in a stream from the roots to the leaves where it evaporates. The water is pulled up from the roots through the xylem via the cohesion-tens...

The cell cycle begins with interphase (G1,S G2) then follows on to mitosis and ends with cytokinesis.

G1 phase - Protein synthesis and preparation for DNA replication

The systemic circuit carries oxygenated blood from the heart around the body then carries the deoxygenated blood from the body back to the heart. The blood leaves the left ventr...

If a quadratic equation is of the form ax²+bx+c, calculate D (Discriminant) whose value is b²-4ac. 

If the value of D is negative, the equation has imaginary roots.<...

Elements of group 0 are called noble gases. These elements have stable arrangements of electrons in their outermost shell. The chemical reactivity of a group highly depends on the number of electrons i...