Answer:
The preferable option will be - D.
D. CO₂ is needed to produce sugars in the Calvin cycle.
Explanation:
- We know that CO₂ is the prime element for photosynthesis.
- CO₂ is the only source that supplies carbons in this process. With the help of CO₂, water, light, minerals, and chlorophyll, six-carbon glucose is formed.
- This glucose is converted to starch and is stored in fruits or in the parts of plants for further use.
I would say D. a virus <span>is potentially a pathogen.</span>
Answer:
C
Explanation:
How does NAFTA provide a benefit to the US economy?
A)
It increased prices in the United States on products made in Mexico or Canada.
B)
It increased the barriers to trade and allowed businesses to grow within the United States.
C)
It decreased political tension and removed barriers for migrant workers coming into the United States.
D)
It decreased the barriers to trade and allowed US businesses to take advantage of lower human resource costs.
