Please, explain step by step why is the reason for your answer. And, please by handmade :) thank you

Specify the hybridization at the atoms labelled a-d. For each atom enter one of the following: sp3, dsp2, sp2, sp3d, or sp. Hybridizations are normally written with superscripted numbers, but OWL expects non-superscripted answers to this question. a) b) c) d) 9 more group attempts remaining