Answer:
This natural greenhouse effect is what keeps the Earth's climate livable. Without it, the Earth's surface would be an average of about 60 degrees Fahrenheit (33 degrees Celsius) cooler.
Answer:
Index fossils, intrustions and cross-cutting relationships.
Explanation:
The correct list of three different geologic features that help scientists determine the relative ages of rocks by their position is "index fossils, intrusions, and cross-cutting relationships".
Answer:
A) a large fault
Explanation:
that looks like the San Andreas Fault from an aerial photo.
A river would be wider.
A canyon would not have raised edges
Sand dunes would not be so steep.
Answer:
It will be C. a location at a latitude of 30 degrees north or south.
<u>Answer:</u>
The "dark matter" is responsible for giving a "galaxy its particular shape".
<u>Explanation:</u>
- In a galaxy, it is mainly the dark matter that holds the galaxy together. A galaxy that is in motion exerts centrifugal force on the planets, stars and other material.
- This force tends the planets and stars to move away from the "center of the galaxy".
- On the other hand, the dark matter deploys gravitational force on the material present in the galaxy which holds it in its place.
