Learned behavior
This is because instinct drives them to eat and find food, but they have to learn that a certain feeder is always out and available
Answer:
lots of bodies of water, lots of mountains
Explanation:
The answer is <span>b. water erosion
Water erosion moves water downhill and during this process, different landforms are formed. <u>Some of them are rills, gullies, streams, rivers, tributaries</u>, waterfalls, floodplains, meander, lakes, etc.</span>
Outer core.
The densest layer is the inner core but it is not given as an option. The outer core is closet to the inner core, therefore it is the correct option.
Both direct material and indirect material
