The US is described as a mixed market economy because both the government and the private sector take a role in economic planning. The government doesn't completely control the economy thus it is shared with the private sector and called a mixed market economy.
Answer:
The fact about the Earth's rainforest is the most true is A. Half of the known plant varieties in the world are found in the rainforests.
In fact, even though the Earth's rainforests only cover approximately 7% of the Earth, it makes up approximately 50% of the population of living things.
Explanation: