Natural Resources & Human Populations
The table below shows carbon dioxide emissions and world population data for several years between 1800 and 2004.
Year World Population
(billions)
1800
1850 1.3
1900 1.7
1950 2.5
2004 6
Carbon Dioxide Emissions
(metric tons carbon per year)
100
175
500
1800
8000
If continued increases in world population lead to even more carbon dioxide emissions in the future, how will this most likely
impact Earth's systems?
A.
Ocean water salinity will decrease
B.
Air pollution will decrease.
C. Petroleum availability will increase
D. Global climate change will increase
Reset
Submit

Could someone me with number one you

Aresearcher designed an investigation to test what effect eating different types of food would have on blood insulin levels. she selected 10 male subjects who were all 25 years of age and in good health. the experiment took place over 3 days. at 8: 00 a.m. on each day, the subjects ate a meal consisting of only 1 type of food. they had their blood insulin levels measured after consuming the meal. on day 1 they ate a high fat diet, on day 2 they ate a high protein diet, and on day 3 they ate a high sugar diel what is the independent variable in this experiment? a the age of the subjects b the blood insulin level c the type of food consumed d the time of day the meal was consumed

Is there any solid scientific evidence that humans have been cloned?