Based on context clues, I think A is the correct answer.
Answer:
more use of renewable and more eco friendly sources of energy like wind and solar power
Explanation:
https://www.eia.gov/energyexplained/us-energy-facts/
according to this graph from august 28th of 2019
3 different kinds of energy consumption
NiCad cells typically have a voltage of 1.2 Vdc.
Mentality /Outlook / viewpoint. Here are a few synonyms - they all fit into the space and does not change the original meaning of the sentence.
Every single year, The congress works on a federal budget for the next year. The congress is in charge of the budget, they are given the power to collect taxes borrow money from banks, and approve of someone's spending.
Hope this helps!