For example the median expected annual pay for a typical Receptionist in the United States is $33,390, so 50% of the people who perform the job of Receptionist in the United States are expected to make less than $33,390. Percentile.
medhrk. The greenhouse effect is caused by the burning of fossil fuels and deforestation-is true. The burning fossil fuels leads to emission of CO2 in the air which is green house gas. deforestation makes the number of CO2 consumer less in quantity so increase CO2 level.
The global warming that began when we started burning fossil fuels at the start of the Industrial Revolution (1750s) is caused by human activity, namely, adding greenhouse gas to the atmosphere. Burning fossil fuel releases carbon dioxide that has been underground for millions of years.