In never eat alone, what is the method of contact ferrazzi describes as, "a quick casual greeting, and it can be done in any number of creative ways."

Pinging

Explanation:

Step 1. Send email, call through phone or have face to face interaction with people you are trying to establish a new relationship with.

Step 2. Do a phone call or send an email once a month after a relationship has been nurtured.

Step 3. Having atleast two face to face meetings outside the office leads to establishment of friendship.

there are mainly three domains in biological classification namely; archaea, bacteria, and eukarya.

archaea includes all the prokaryotic cells which are characterized by their lipid membranes. they have branched hydrocarbon which is attached to glycerol through an ether linkage.

bacteria includes all the prokaryotic cells, the cell membrane of which are made up of the unbranched fatty acid chain. in addition, they are attached to glycerol through an ester bond.

eukarya includes all the eukaryotic cells, that is, the cells contain a nucleus and other membrane-bound cell organelles.

they can be autotrophic as well as heterotrophic, unicellular as well as multicellular

they include kingdoms like protista, plantae, animalia, fungi et cetera.

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explanation: