А. Н
— с
Ес - Н
В.
Н
се с
H
с.
Н
- C = C
Н
D.
H
с
Ес-
Н
Which is the correct Lewis structure
acetylene (СН2)?

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean