Question: For example, more people on the Earth means more people contributing to global warming and pollution.  What will happen to the levels of pollution on Earth if the population increases they will rise or they will fall?
Answer: they will rise

Question: If the gas is heated, the particles will move faster as they gain more energy.  Tina heats some oxygen gas. The oxygen particles will move faster or slower?
Answer: faster

Question: Larger telescopes can collect more light and see finer details than smaller telescopes.  Mona is trying to build a telescope that can collect more light then her current one. If she wants to make sure to achieve this goal, what should she do to the size of her telescope decrease it or increase it?
Answer:
increase it