I have done my research and checked my textbooks it is C
<span>Energy produced in the center of the sun
flows out through the sun's layers in different forms, including visible
light. The sun's interior generally becomes cooler and less dense as
you move away from the center. </span><span>Rising currents of hot gas in the convection zone carry energy toward the sun's surface.</span>
Answer:
A duckling swimming after its mother.
C
The houses are made to last for centuries
Answer:
Aspects of capitalism and socialism
Explanation:
The two elements that are combined in a mixed economy are simply aspects of capitalism and socialism.
A mixed economy both the government and market forces determines the production of materials and how they become distributed.
Most economies in the world are mixed economies. The advantage of this economic model is that it checkmates monopoly.