How did watson and crick determine base pairing?
they analyzed the work of phoebus levene.
they used chargaff's rule to fit the bases together.
they broke the hydrogen bond.
they observed the pairing under a microscope.

B

Explanation:

Collaborative planning , forecast and replenishment is a business tool that supports supply chain integration by networking other related departments in an organization.

It makes information gathering easier and consequently a faster decision making process.

New orders are placed automatically as the system is capable of discovering a re-order level of inventories , making the end-end  supply chain more efficient at a reduced cost