A: A command economy<span> is one in which a centralized government controls the means of production. ... There are </span>advantages<span> and disadvantages of </span>command economy<span> structures. </span>Command economy advantages<span> include low levels of inequality and unemployment and the common good replacing profit as the primary incentive of production.</span>
The Biosphere is the answer that ur looking for
Motor vehicles
Chemical factory
Etc……
Answer:I think the answer is C
People use what they call Deep winter greenhouses to grow vegetables and other plants year around. They use winter's natural light to grow the plants and some use different kinds of technology to better help the process of growing plants year around.
