The statement "Mass extinctions have occurred several times on Earth" explains the indication of the fossil record.
<h3>Indication of Fossil fuels:</h3>
Paleontologists are fascinated by the evolution and extinction of fossil species throughout geologic history. To do so, they look at all the fossils that have been preserved in sedimentary rocks.
The fossil record is what we call it. Paleontologists have been collecting fossils from sedimentary rock layers all over the world for over two centuries.
Their goal is to figure out how species have evolved over geologic time. It can be used as a geologic timescale once the succession is established.
Then, if a specific fossil is discovered in a rock, you can determine where it belongs on the geologic timescale.
Therefore, the correct option is the third sentence.
Learn more about fossil fuel here:
brainly.com/question/13655515
Answer:
The orbital period of this planet is 88 days or 0.241 year
Explanation:
For explanation see the picture attached
optical telescope (Hubble), X ray telescope ( Chandra) etc.
get around the Earth's atmosphere so that we can get a clearer view of the planets, stars, and galaxies that we are studying.
Along with the stars, Kristen shall also show effect of gas, dust and solar system in the galaxy.
<u>Explanation:</u>
Galaxy is a collection of various stars but these are bound to each other in a gravitational bound system. Along with the stars, the galaxy also consists of dust, gas and other kind of dark matter.
The solar systems are also consisted in the galaxy. According to the scientists, there are one hundred billion galaxies in the universe and all the galaxies consisting of a combination of all this.
