What is the correct electron configuration for a ground-state atom with 7 electrons?

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

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