The trade-off when the threads are closer together, is that more turns of the screw or bolt are needed to do the job because the distance over which the input force must be applied is greater. Having read the above passage, choose the right answer to the following question (choices are fewer or more ): Harry was installing a TV mount. He drills into the wall with a screw that has 30 threads. If he used a screw of the same size with 20 threads, it would take fewer or more turns to put it in?
fewer

When your brain senses that your body temperature is increasing, it sends messages to the blood vessels in the skin to increase in diameter. Having read the above passage, choose the right answer to the following question (choices are expanding or contracting ): Derek felt cold as he stood in the shade, and since his body was cooling down, he knew that his blood vessels in his skin were expanding or contracting?
contracting

Q: Many of the worlds people live with water scarcity, and that percentage will increase as populations increase and climate changes. Having read the above passage, choose the right answer to the following question (choices are up or down ): Will decreases the population of his model of the world's population. The amount of water scarcity, if no other variables are changed, will likely go up or down?
A: down

Question: With fewer trees, the air is drier and droughts are more common. Having read the above passage, choose the right answer to the following question (choices are decrease or increase ): The logging company in your town is proposing they clear cut several thousand acres of trees. If they do so, the chances of droughts in your area will decrease or increase?
Answer: increase

*Question*
A: The more carbon atoms there are, the greater the number of possible arrangements of carbon atoms. Having read the above passage, choose the right answer to the following question (choices are many arrangements or few arrangements ): When we have a few blocks we can make many arrangements or few arrangements?
**Answer**
few arrangements

(Question)
In electromagnetic waves with higher frequencies, photons have more energy. Having read the above passage, choose the right answer to the following question (choices are decreases or increases ): If Mona is standing in the sun and it begins to shine brighter, what happens to the amount of energy the photons are emitting decreases or increases?
(Answer)
increases