Answer:
3 and 4
Explanation:
Why?
4 has no value nor distance record such as km, m, miles, etc.
This is the same as 3.
HI is most noticeable during the summer and winter. The main cause of the urban heat island effect is from the modification of land surfaces. Waste heat generated by energy usage is a secondary contributor. As a population center grows, it tends to expand its area and increase its average temperature.
When the rocks are exposed, erosion begins
