Yes, they are right.Very good hand writing! You did a very great job on showing your work.
Answer:
To obtain a desired component from the mixture
Explanation:
It is also important to be able to separate mixtures to be able to better understand how each component contributes to the properties, chemical and physical, of the resulting mixture.
Gas pressure is measured in mmHg with a barometer
It depends on the habitat if it was a habitat by a lake or creek it would affect the inhabitant's access to water.
The greatest amount of energy released per gram of reactants occurs during a (1) redox reaction, although it should be noted that there are exceptions depending on environment.