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- Better seed genetics
- Better crop protection techniques
- Improved soil tilth and fertility
- Improved agronomic practices
- More acreage under irrigation
- Etc.
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Which gas has increased in concentration by about 0.011 percent in the past 150 years?
Carbon Dioxide
How much carbon dioxide emission has increased over the past 250 years?
By 38 percent
How humans change the atmosphere of the planet in the past 200 years?
They have increased the levels of greenhouse gases.
What does the graph on p 214 in Pathways show about atmospheric carbon dioxide levels Each year the CO2 level rises and then falls Over the past 50 years it has steadily increased?
Okay the answer is the first one each year CO2 level rises and then falls over the past 50 years it has steadily increased PS you need to learn to do you own work you got this off of connections academy English 9 A
In the past what cause people to move into your community?
Jobs,Family life, and for farming or crop producing.
Has teen pregnancy increased or decreased over the past five years?
increased a lot
Why has the price of mattresses increased in the past 4 years?
They get up graded
How has tourism changed over the past 50 years?
they have been increased
During the past 25 years while the population of the US has increased the proportion of federal employees has?
C. Increased
Have RV TRAILER lengths increased in the past 20 years?
The lengths haven't changed but the quantity may have increased.
How have the prices of 10 gold coin changed over the past 10 years?
The price of gold has increased abunch in the past ten years.
Has the home equity value in Chicago increased or decreased during the past 10 years?
I would have to say increased. The median price for a single-family home has increased at an accelerating pace in the past ten years, after a period of moderate price increases in the ten.
How much co2 increased in the atmosphere during the past 150 years?
13PPm
Has the rate of deforestation increased over the past years?
rate of deforestation
Has loyalty to a political party has increased over the past thirty years?
No, it has decreased
Did the Muslim population increase or decrease over the past years?
The Muslim population has INCREASED.
Why has acid rain increased in the past 200 years?
because there are more machines and industries
