Answer:
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A. is the correct answer.
Basically twice means 2 in these sentence twice means more than he earn in short words he wants to say that he wants to earn more than he is earning now
for example someone is earning $500 every month so he want to earn $1000 every month
Answer:
The Calvin cycle is also called the dark reactions or light-independent reactions because it's the part that doesn't need energy from the sun to happen. ... This is where plants make sugar molecules that they can use to make other essential components, and that all other organisms can use for energy.
Explanation: