Lower rock layers were laid down earlier, so they are assumed to contain older fossils.  Sean digs in the dirt and finds rocks that are buried very shallowly. Given how deep they were, Sean can assume that these rocks are younger or older?
younger


When we add resistors in parallel to each other the total resistance decreases and the current increases.  If we change resistors in series to be in parallel the resistance increases or decreases?
decreases


Q: When there are more sunspots the Sun is more active and there are more solar storms and more of the Sun's energy reaches the Earth.  When astronomers noticed a doubling of Sun spot activity, did they predict that the Earth's temperature would increase or decrease??
A: increase


Question: The higher up a food chain that humans eat, the greater the levels of toxic metals they take in.  If Jim eats animals that are higher on the food chain, the amount of toxic metals that enter his body are greater or smaller?
Answer: greater


*Question*
However, the melanocytes of people with darker skin produce more melanin.  John was observing a range of patients skin under a microscope. He noticed that the more melanocytes the skin had, the production of melanin was higher or lower?
**Answer**
higher


(Question)
When particles move more quickly, temperature is higher and an object feels warmer.  Rita sees a particle and makes it move very quickly. The temperature of the particle increases or decreases?
(Answer)
increases