Evaluate the energy transition required to reach net zero: renewable energy scaling, electrification of transport and heat, green hydrogen; describe carbon capture and storage (CCS) and direct air capture (DAC); introduce proposed solar ra…
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Question 1 of 3
Which statement best lists all of the essential elements that must be part of a national plan to scale up renewable electricity so a country can reach net‑zero by 2050?
Question 2 of 3
A 2.0 kg block is pushed across a horizontal floor by a constant force of 10 N that is directed 30° above the horizontal. The block moves 5.0 m. What is the work done by the force on the block?
Question 3 of 3
A government is deciding between two technologies to help reach its net‑zero goal. Carbon capture and storage (CCS) would capture CO₂ from the exhaust of a new natural‑gas power plant and store it underground. Direct air capture (DAC) would use large fans to pull ambient air, absorb CO₂, and then store it underground. Which statement correctly compares the two technologies regarding (i) where the CO₂ is captured, (ii) the amount of extra energy needed per tonne of CO₂ removed, and (iii) the main environmental risk of each method?
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