Given the following ER diagram, are all the entity sets in the diagram are designed properly based on database design principles 

1.  Write a Python program that has all three kinds of errors within it.  Add comments that describe the exact location and type of each such error. You don’t have to fix the errors.

A 45-year-old woman present with a painless, palpable lump in the left breast for the past 3 weeks. It has not changed in size. What is your next best step?

9) The distance from the nearest star to the Sun is

7) Put these objects in the correct order, from nearest to farthest from Earth:

20) Surprising Discovery! In 2020, a spacecraft lands on Europa and melts its way through the ice into the Europan Ocean. It finds numerous strange, living microbes, along with a few larger organisms that feed on the microbes.

                    is the only parasitic member of the Ciliophora.  It has a swine reservoir, and is transmitted by the fecal-oral route.

A. B.    C.   D.      Put the images, above, in the correct order:  Giardia trophozoite, Plasmodium gametocyte, Trypanosoma brucei, Trypanosoma cruzi

13) What are the main constituents of Earth’s atmosphere?

To survive drying/harsh conditions, many protozoa form a resistant form called a                   .