Help me i’m crying right now

Which type of fossil does this image depict?

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

Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n