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Q: Why are goiters much less common today than 100 years ago?
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How does the atmosphere composition today compare with the air 1000 years ago?

1000 years ago the air was much the same as it is today, with a little less CO2 and a little less pollution.


What type of technology was used 50 years ago?

50 years ago, in 1972, technology was much less advanced compared to today. Common technologies included early computers, landline telephones, television sets, and basic calculators. There were no smartphones, internet, or social media as we know them today.


How much did gas cost five years ago?

Quite a bit less then today.


Was strep throat common in the 1700s?

You had less number of patients of strep throat in 1700 than today. The reason is that the population was much less at that time.


How is the avaliabilty of treatment different in hospital different from 100 years ago to today?

100 years ago hospitals were segregated, surgery was less advanced, medicine was less advance, and insurance and treatment was less accessible to those of low-income.


How much water is there on earth today compared to 100 years ago?

there is still the same amount of water on earth as their was 100 years ago or in fact 1 million years ago. The fact is that today less water is in ice form then there was 100 years ago.


Why did Americans 200 years ago use less fossil fuel then Americans do today?

People 200 years ago used less fossel fuel because cars had not yet been invented so a signifcant amount less of fossil fuel was used.


Is there less drinkable water today than 50 years ago?

i don't know, use your head dum dum!


How has the long necked peoples culture changed over the years?

The culture has not changed over the years but today there is less and less people visiting because they are being forgoten to tourists, The state of their village is poor because their income is less, so they cannot afford to upgrade their villge.


How many years have dirt bikes been invented?

dirt bikes in the past had less gears and power then dirt bikes have today


Why is the medical use of leeches less controversial today than it was 50 years ago?

Well because it has been proving to work


What primary evidence is their of the black death?

The fact that the disease that causes it exists today, but is just less common and we have the proper medical care to take care of it.