This pie chart shows several ways that the United States made electricity in 2009. The chart shows that was the main source of energy used in power plants. To understand this chart in terms of climate change, scientists need to find out
. For future generations, they also need to think about
.

Is this a single replacement reaction or there is no

The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?