The Mississippi and the Amazon are quite different in that <u>C) the </u><u>Amazon </u><u>is much </u><u>longer </u><u>than the </u><u>Mississippi</u><u>.</u>
The Amazon River:
- Is the second longest river in the world.
- Is longer than the Mississippi.
The Amazon river is measured to be a distance of 3,969 miles whilst the Mississippi is around 3,896 miles which means that the Amazon is longer than the Mississippi.
In conclusion, option C is correct.
<em>Find out more about the</em><em> Amazon River </em><em>at brainly.com/question/2526784. </em>
<u>Answer:
</u>
The build-up of three oxygen created our ozone layer around two billion years ago.
<u>Explanation:
</u>
- The ozone layer is a part of the stratosphere which is located right after the troposphere in the atmosphere of the Earth.
- The ozone gas is made up of the abundance of three oxygen molecules combining with the ultraviolet radiation emitted by the Sun.
- The development of the ozone layer happened around two billion years ago when the oxygen concentration levels on the planet began to rise slowly and gradually.
Relative dating<span> is the science of determining the</span>relative<span> order of past events (i.e., the age of an object in comparison to another), without necessarily determining their absolute age, (i.e. estimated age).</span>
Answer:
Option D
Fish
Explanation:
The characteristics of index fossil is distinctive, widespread, abundant, and limited in geologic time. Ammonites fit these demands well and are the best-known fossils that have been widely used for this.
Thus, The answer is Fish