Which of the following procedures is used when refining petroleum? Increase the temperature of the oil.
Decrease the temperature of the oil.
Increase the pressure of the oil.
Decrease the pressure of the oil.

Which of the following is not part of the carbon cycle?
decay of plants
photosynthesis in plants
evaporation of water from the oceans
respiration in plants

Which of the following are true about renewable resources? You may choose more than one answer.
Renewable resources are those that can be recreated or replenished.
Renewable resources include coal.
Renewable resources should be handled with care.
Renewable resources include trees.

After watching a documentary about fossil fuels, your Aunt Sheleah is really concerned about her carbon footprint. Name two ways that she can reduce her carbon footprint at home.

Please answer this with correct answers, these are the questions I was confused about with the test. Also please don't answer just to get points. Thanks if you read or listened to this ^-^

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?

How to convert a density of 0.791g/cm3 to lb/ft3

Astudent made a graph plotting the progress of a reaction over time. the student forgot to label the y-axis of the graph. a graph is shown with two graph lines. one graph line starts at a higher position on the y axis and slopes downwards towards the right. the other graph line starts at a lower position on the y axis and slopes upwards towards the right. the two graph lines stop short of intersecting each other and continue as separate lines which gradually become straight and parallel to the x axis. a vertical line is shown at a point where the two graph lines finally became parallel to the x axis. this vertical line is labeled equilibrium. the title on the x axis is time and an arrow pointing towards the right is shown above time. the title on the y axis is left blank. what best explains the label that the student should use on the y-axis? amount, because as the amount of product decreases, the amount of reactant increases over time. reaction rate, because forward and backward reaction become equal at equilibrium. amount, because the amounts of reactants and products become constant after equilibrium is reached. reaction rate, as the rate of forward reaction increases and rate of backward reaction decreases over time.