The rocket goes upwards because the hot gases shoot downwards out of the nozzle. The faster the gases go downwards, the faster the rocket goes upwards. Will launches a rocket off the ground. As the speed of the gas that comes from the boosters increases, the rocket's height reached decreases or increases?
increases

A decrease in greenhouse gas levels decreases global temperature and an increase raises global temperature. If you are able to remove greenhouse gases the temperature will go up or go down?
go down

Q: Acids have pH values below 7. The lower the pH value, the more strongly acidic the substance. Alan's lye has a higher pH than his soda. His soda was less or more acidic?
A: more

Question: Objects that are closer together have a stronger force of gravity between them. Mercury is closer to the sun than Jupiter. This means that the pull of gravity from the sun on Mercury is stronger or weaker.?
Answer: stronger

*Question*
For a given medium, sound has a slower speed at lower temperatures. If Mary is playing music in her room and the heater stops working, causing the temperature to fall, what happens to the speed of the soundwaves her radio is generating increases or decreases?
**Answer**
decreases

Q: Bacteria with a mutation the helps resist antibiotics increase in numbers, so the mutation becomes more common. Eric notices an increase in antibiotic resistance in a certain bacteria. The mutation that causes the resistance has become more or less common?
A: more