Answer: isotopes is the answer to this question
What's the questions here ?
Answer:
It is also one of the world's most important commercial waterways and one of North America's great migration routes for both birds and fishes. Native Americans lived along its banks and used the river for sustenance and transportation.
Explanation:
I don't even know the answer sorry
Since there are no choices, it will be difficult to answer your question.
Let's say these are the choices:
A. The liquid is a pure substance because it is colorless.
B. The liquid is a mixture because its temperature rises.
C. The liquid is a pure substance because it remains liquid when cold.
D. The liquid is a mixture because it has a gas dissolved in a liquid.
your answer is D. The liquid is a mixture because it has a gas dissolved in a liquid.
