Aerobic exercise increases the size and strength of muscles in the heart and helps all your muscles develop greater endurance.  If one does no aerobic exercises, their heart muscles will become stronger or weaker?
weaker


The louder the sounds are, the less exposure is needed to cause hearing loss.  If you are at a loud rock concert what will not happen to your hearing increase or decrease?
increase


Q: Temperature affects the rate at which photosynthesis, cellular respiration and decomposition take place. The rate of reaction increases with increasing temperature and decreases at lower temperatures.  john was watching the rate of reactions going on in some plants. he noticed that the rate increased when the temperatures increased or decreased?
A: increased


Question: More UV rays increase skin cancer rates.  John was studying skin disease in his research lab. He observed that the less UV rays that contact the skin resulted in skin cancer rates becoming Larger or Smaller?
Answer: Smaller


*Question*
Warm air is less dense than cool air, so it rises higher in the troposphere.  If Mona cools down the air she is putting into her weather balloon, what will happen to the height that it can rise into the troposphere increase or decrease?
**Answer**
decrease


If there are more greenhouse gases in the atmosphere, more ultraviolet radiation will be trapped and the Earth will heat up.  Tony drives an SUV that contributes many greenhouse gases to the atmosphere. Evan rides a scooter that contributes few greenhouses gases to the atmosphere. Who likely contributes more to the Earth heating up Tony or Evan?
Tony