answer:
i am pretty sure you use cross charges for this.
so i think it is the third choice.
In the U.S.A, it is the Mississippi River Basin. But then there is the Gulf of Mexico.
Answer: 1. 0.045moles
2. 2.10 grams
Explanation:
According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number
of particles.
To calculate the moles, we use the equation:
1. 
2. Mass of 
Answer:
Using temperature or a thermometer
Explanation:
Since AKE equals = temperature, you can find the temperature of a substance with a thermometer, which gives the temperature.
Answer: Atoms of carbon and hydrogen
Explanation: