Question:
What investigation ?
Answer:
'a technique that tells a story from the writer’s personal experience'
Explanation:
I, as well, consulted 'brainly' for help in order to answer this question. I did not find such an answer, so I guessed, getting it correct.
I haven’t read it yet but you can spark note until you find the answers
Answer:
Renewable fuels are fuels produced from renewable resources. Examples include: biofuels (e.g. Vegetable oil used as fuel, ethanol, methanol from clean energy and carbon dioxide or biomass, and biodiesel) and Hydrogen fuel (when produced with renewable processes).
The answer is d. keep. Hope this helps!