BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Chapter 16, Problem 1SL
Summary Introduction

To determine:

The production and use of biofuels in the United States and also the role of government, private industry, and scientists in promoting the production and use of biofuels.

Introduction:

Biofuels are the substitutes for fossil fuels and are derived from renewable animal and plant biomass. Biodiesel and ethanol are the two types of biofuels.

Summary Introduction

To determine:

Whether citizens have an ethical responsibility to use biofuels as a substitute for fossil fuels and provide a reason for the same.

Introduction:

Ethanol, biodiesel, and biogas are examples of biofuels. Ethanol is often made from corn or sugarcane. Biogas (methane) derives from animal manure and other digested organic material.

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What is biomass? Animal material used as fuel. Plant and animal material used as fuel. Farm animal waste used as fuel. Plant material used as fuel. Submit Previous Answers Request Answer × Incorrect; Try Again; 5 attempts remaining Part B What are the problems and advantages of biomass as an energy source? Check all that apply. radioactive cheap and efficient renewable inefficient and expensive harmful biproducts
A cycle diagram is a variation on the process diagram in which the process repeats itself. So it's a good idea to make that point in your answer. The diagram below illustrates the carbon cycle in nature. Write a 150-word description of this diagram for a university lecturer. Sunlight Auto and CO2 cycle factory emissions Photosynthesis Plant respiration Animal respiration Organic carbon Decay organisms Root Dead organisms and waste products respiration Ocean Fossils and fossil fuels uptake
Fossil fuels contain the carbon and energy of organisms that have been dead for a very long time—in some cases, for millions of years. Biofuels, in contrast, are fuels that are made from recently living organisms, usually plants. Since biofuels come from living plants, the carbon dioxide released from burning biofuels is part of the modern-day carbon cycle.   All of the following statements are true statements about biofuels. Select which statements are negatives of using biofuels as a primary source of energy. Check all that apply.     A. With limited agricultural land, growing crops for biofuel might compete with growing crops for food.   B. The carbon dioxide released into the atmosphere is carbon dioxide that was recently taken out of the atmosphere, so it does not overload the carbon cycle.   C. Large-scale agriculture needed to grow plants for large amounts of biofuel may be damaging to the environment in other ways.
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