Answer:
The correct answer is "dinoflagellates"
Explanation:
Zooxanthellae are autotrophic marine protists that are found in the living tissues of some simple marine invertebrates such as corals, sea anemones, and jellyfish. Zooxanthellae are dinoflagellates.
Answer:
-5/6
Explanation:
Fist find the common denominators of the two

Then you that minus sign in front of the fraction that means its negative
although theres an addition sign where subtracting fractions.
given it's in this order the fraction will be negative

:D
Answer: B. TC = 50 + 20Q
Explanation:
A Natural Monopoly is generally associated with a firm that has very high initial fixed costs. These costs are generally related to the use of high scale technology or machinery to operate effectively.
Some examples include, gas pipelines, electricity grids, and the like.
They act as both a deterrent for companies to join the market as well as to exit.
Option B shows the typical Total Cost function of a Natural Monopoly and reflects the high initial costs as well.