Answer is authority
p.s. I took the test / quiz
Anything with -er added to the end. For instance, clos-er or farth-er.
The superlative form ends in -est. For instance, clos-est or farth-est.
Answer:
It's an illusion, caused by the ways that Earth and Mars orbit the sun. ... show where Mars appears as it moves forward, goes through retrograde,
Explanation: