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.
Answer: B. Our greatest primary task is to put people to work.
Explanation:
When President Franklin D. Roosevelt took over as President, the country was in the grip of the Great Depression. An unprecedented number of Americans were unemployed and could not afford their living expenses.
Up till then it was a general belief in the United States that the government should not be involved in the economy but Roosevelt came with a new idea. He believed that the government should involve itself as this was the only way to restore balance and so he initiated a slew of agencies and projects aimed at employing Americans in their numbers.
the correct answer is Mesozoic!