The answer is a primary succession.
<span>Primary succession starts with an absence of any species in the soil from or a newly formed volcanic island. </span><span>S</span><span>econdary succession can begin after a primary succession has been done or after a disaster like a typhoon or an earthquake that affected the animals and plants.</span><span>
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Answer:
Technological innovations increased agricultural yields.
Explanation:
The Chinese economy in the period 1200-1450 increased due to higher production of agricultural crops with the use of new technologies. In the period of song dynasty, an early growing rice cultivar was produced which can be grown multiple times in a year. Due to multiple harvest, food was available in large amount for the people so we can say that innovations increase the yield of crops.
I don’t know how many you needed
Answer:
A
Explanation:
Both systems have mayors who do not have power.
