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89 questions
The yield of crops that are grown outdoors is highly dependent on
environmental conditions only
environmental conditions and soil types only
climate and soil types only
environmental conditions, soil types and climate
The use of greenhouse is
to control climate
to control environmental conditions
to control soil types
all of the above
When the Sun’s energy is trapped by greenhouse gases, how does this affect the temperature of the Earth?
temperatures will decrease
temperatures will increase
temperatures will stay the same
temperatures will fluctuate
what is the main reason for deforestation?
cattle ranching
using trees to make wood products
space for growing crops
fire wood
how does deforestation impacts the environment
animal's habitats are destroyed and they could become endangered.
less trees so more oxygen in put into the atmosphere
less trees means less oxygen in put into the atmosphere.
animals gain more by forest being cut down
Why do we worry about salinization?
Salinization isn't a problem
Salinization is needed for the growth of crops
Salinization is the overharvesting of our crops.
Salinization leaves salts in our soil making crops harder to grow.
A mechanical device that places seeds in evenly spaced rows at specific depths is called a....
Crop Rotation
Seed Drill
Livestock Breeding
Switching crops to avoid depleting the soil of nutrients is called....
Crop Rotation
Seed Drill
Livestock Breeding
When people remove vegetation, they slowdown the erosion process.
True
False
The destructive insect or animal or other animal that attacks crops, food, or livestock.
insect
pest
kids
molt
Insect pests are classified by they look.
TRUE
FALSE
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