Question

PART A: Which statement best identifies one of the central ideas of the text? A. The Earth’s natural elements and distance from the sun allow humans and animals to live successfully on Earth. B. Scientists’ observations of Earth show that the planet may be habitable for humans in the future. C. The Earth’s placement in the universe guarantees that humans will always be able to live comfortably there. D. Scientists’ understanding of Earth’s makeup and movements is still limited, but it is becoming more advanced through satellites.

Answer 1

Answer:  D. Scientists’ understanding of Earth’s makeup and movements is still limited, but it is becoming more advanced through satellites.

Explanation:

This question is in relation to the article, WHAT IS EARTH by NASA in 2015.

One of the central ideas of the text is that Scientists are still studying the Earth as their knowledge of it is limited and they hope to learn more about it so that they may be able to predict changes to the Earth in future.

They study the Earth through the use of satellites that focus on the Earth from outta space, taking pictures of our planet's various parts and regions and observing it's various components such as the sky, the land and the oceans as well as observing its movements as well.