Answer:
There is an outer core and an inner core. The outer core is extremely hot and is made mostly of molten (or melted) iron, which is called magma. It is about 1300 miles thick
Answer:
The <u>air quality index</u> is a measure of ozone and other pollutants in the air.
Explanation:
Answer:
all
Explanation:
represents an observation is fact
offers an explanation is theory
defines a relationship is laws
hope it helps
Producers, because they're the start of the food chain and without them there will be no food chain.
