Exhaling, or breathing out, decreases the size of the chest, which increases air pressure inside the lungs. A doctor was doing some lung tests on a patient and testing the air pressure inside the patient's lungs. She found that when the patient's chest got larger while inhaling air that the pressure in the patient's lungs got higher or lower?
lower

As animals grow their bones get longer and bigger, they grow more hair, and are able to take care of themselves by getting food, shelter, and water. If an animal is growing normally, it should develop less or more hair?
more

Q: The more efficient a device is, the greater the percentage of usable energy it produces. If a device were to become less efficient, it would produce more or less usable energy?
A: less

Question: As greenhouse gases increase, changes will be more extreme. If greenhouse gases were greatly decreased, we can expect a higher or lower chance of extreme changes?
Answer: lower

*Question*
In a series circuit, the resistance increases as more resistors are added in series. Steve noticed when looking at the series circuit that as more resistors were added the resistance increased or decreased?
**Answer**
increased

*Question*
The greater the mass of the objects, the stronger the gravitational pull between them. Two planets with very small masses will have a stronger or weaker gravitational pull between them than two planets with small masses?
**Answer**
weaker