Update RATED A+ NEW EDITION
to produce approximately 1 pound of beef, ____ pounds of grain are required.
7
what percentage of grain production goes into livestock feed?
36%
the minimum amount of energy required to power the human body for maintenance is
known as _____?
BMR
a diet of grains and vegetables can feed ___ times as many people as a diet rich in
animal protein.
4
in many developing countries, most at risk people for malnutrition are ______ because of
cultural and social practices
young girls
overall protein/calorie deprivation can cause _______.
Marasmus
______ is a malnutrition disease that is known to cause a protruding abdomen.
Kwashiorkor
the micronutrient deficiency that can lead to childhood blindness is ______.
vitamin a
beri beri is caused by lack of _____.
vitamin b
pellagra is caused by lack of ______.
, niacin
scurvy is caused by lack of ______.
vitamin c
what is the most common nutritional deficiency disease?
iron
a loss of good farm land can be attributed to urban development, erosion, and _____
desertification and salinization
what is the single largest cause of deforestation?
clearing for agriculture
which state has teh largest expanse of wetlands?
alaska
________ is defined as land degradation in arid, semiarid, and dry sub-humid areas
resulting from various factors including climatic variation and human activities.
desertification
the greatest threat to biodiversity today is ______.
habitat destruction
the fish and wildlife service have designated ____ species as threatened or endangered.
1371
of the various activities contributing to soil degradation, none is more significant than
_____.
overgrazing
the deliberate addition of inferior or cheaper material to a supposedly pure food to
stretch out the supply and increase profits is termed _______.
adulteration
_______ offers hope for increasing the world's fish production