I believe the correct answer is D. Hope this helps!
Answer:
The answer is "measure the parallax and use it in calculations".
Explanation:
In this question, the above choice is correct because, in the summer and winter, light is observed from both parts of a planet. An astronomer can once, again and 6 weeks later calculate the position of a star and then compute the perceived shift of location. It measures which utilizes parallax and its best method for calculating the approximate distance between the star, as well as the planet.
I did the answer to the question and I left it at your McDonald’s :)
To identify the parts of the watershed in the diagram above, we have the following:
A- Stream channel
B- Tributary
C- Watershed boundary
D- Estuary
<h3>What is a watershed?</h3>
Watershed refers to an area having a runoff that occurs as a result of rainfall and such waters gather at a common point. In other words, watershed is known as an area that "sheds" water into a particular water body.
We can see that watershed has tributary, boundary, estuary (water body) and a stream channel.
Learn more about watershed on brainly.com/question/1166879
