Smoking reduces the amount of oxygen available for diffusion at the lungs, so less oxygen gets absorbed and blood is oxygenated to a lesser degree. Having read the above passage, choose the right answer to the following question (choices are increases or decreases ): Jim has never been a smoker. If he suddenly starts smoking cigarettes the amount of oxygen available in his lungs increases or decreases?
decreases

Smaller sediments are dropped as the slope becomes less steep. Having read the above passage, choose the right answer to the following question (choices are large or small ): Dan is watching sand fall down a small hill. The pieces of sand will be very large or small?
small

Q: Aerobic exercise increases the size and strength of muscles in the heart and helps all your muscles develop greater endurance. Having read the above passage, choose the right answer to the following question (choices are larger or smaller ): Someone that works out in the gym all the time will likely have larger or smaller muscles than someone who sits at home all day?
A: larger

Question: The hotter a resistor becomes the more resistance it has. Having read the above passage, choose the right answer to the following question (choices are increase or decrease ): A warming resistor will increase or decrease in resistance?
Answer: increase

*Question*
The planets further from the Sun will have bigger orbits, and therefore take longer to revolve around the Sun. Having read the above passage, choose the right answer to the following question (choices are Mercury or Neptune ): Louis notices that Neptune is farther from the sun than Mercury. Which planet will take a shorter time to rotate around the sun Mercury or Neptune?
**Answer**
Mercury

Q: Shorter wavelengths (higher frequencies) correspond to higher energies and thus hotter star temperatures. Having read the above passage, choose the right answer to the following question (choices are longer or shorter ): Don is sending out wavelengths, and wants them to correspond to lower energies. In order to best do this, Don will send out wavelengths that are longer or shorter?
A: longer