Lesson 27

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Pennsylvania State University *

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101

Subject

Geography

Date

Apr 3, 2024

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pdf

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2

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Lesson 27.3 Participation: How Biomass is Carbon Neutral Due Apr 15 at 11:59pm Points 2 Questions 2 Time Limit None Allowed Attempts Unlimited Attempt History Attempt Time Score LATEST Attempt 1 less than 1 minute 2 out of 2 Score for this attempt: 2 out of 2 Submitted Apr 1 at 12:03am This attempt took less than 1 minute. Question 1 1 / 1 pts Correct! No, the closed carbon dioxide loop is offset by the added environmental impacts of agricultural development Correct! No, the point source absorption (a field of corn) of carbon dioxide is in a different location than the point source emission (a power plant) Correct! Yes, new crops absorb the carbon dioxide emissions from the previous harvest upon burning Correct! Yes, not all biomass is combusted so not all the carbon dioxide is released It's an open-ended question, so all answers could technically be correct. This is an area of active debate and proponents on both sides make good points. Question 2 1 / 1 pts Take the Quiz Again Biomass supporters claim that it does not add to climate change – do you agree?
Correct! Yes, new crops absorb the carbon dioxide emissions from the previous harvest upon burning Correct! No, we should reserve croplands for growing food and reforest the rest Correct! No, but they can make some contributions. Crop wastes are basically ‘free’ energy, and marginal lands will support trees and grasses Correct! Yes, plant-based solid, liquid and gas fuels could be plentiful. We can grow all the fuel and food we need It's an open-ended question, so all answers could technically be correct. This is an area of active debate and proponents on both sides make good points Quiz Score: 2 out of 2 Can plants take over as our energy source?
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