The substances present before the reaction are the reactants. (As the reaction goes through, the substances that are produced are called the products of the reaction).
The answer is false methane is emitted from coal
Answer:
1) They are the same line so they match equally bc they are measuring the same thing just one is more specific than the other
2) Sonar measures all depths at every possible point and maps it including all the gaps in between the 5cm apart the ocean floor is. The difference between the points could be a cliff or a smooth decline.
The Jetliner will travel a total of 1518 meters if flying for 6 hours.