Technology
Agricultural development would be described as
very rapid in the us in recent years
What is a famine?
widespread starvation
if the earth continues to heat/climate changes what are some factors that might affect us
rising oceans, ozone layer, etc.
Who invented the cotton gin?
What did it do?
separated seeds from fiber
The combine is the combination of the reaper and the _______
thresher
List two causes of a famine
As the population continues to grow, what are some factors that might affect us?
transportation, food, resources, housing
Who invented barbed wire? What was the benefit?
glidden, kept animals inside fences
Agriscience in the United States accounts for __-% of jobs
20%
apartments one one level in large buildings that share a wall are
townhouses
List three factors that influence living environments
humans, animals, insects
Who invented the first tractor
holt
Who invented the milking machine?
anna baldwin
To be regarded as safe, a sewage system must
decompose waste
The average yearly temperature and precipitation for a region is
climate
What did thomas jefferson invent?
iron plow
List two contaminants of food and water
chemicals
insects
t/f
john deere invented the first tractor
false
the physical shape of the earth is
topography
what did john deere invent