Answer:
Correct answers are B and F.
Explanation:
Inside the test tube after a certain time, the pressure inside of the test tube must be equal to the atmospheric pressure, the hydrogen displaces the water inside the tube until the pressure is the same with the atmosphere.
The hydrogen pressure inside the tube must be lower than the atmospheric pressure because otherwise the water inside it would go out until it reaches the atmosphere pressure. The atmospheric pressure is equal to the addition of the hydrogen and water pressures.
Answer:You can reduce our carbon footprints by using renewable energy,
Explanation:
B the atmosphere
D. gasoline
C. a carbonated soft drink (without bubbles)
Explanation:
Benzal .....
Molecular Formula: C11H12O4
Animals and Plants won't have a place to live, get food and resourses. Some organisms won't have anyshelter, because some live in the water.