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 cause of global warming is human activity, specifically the burning of fossil fuels which releases millions of tons of carbon dioxide into the atmosphere every year.As the amount of carbon dioxide increases in the atmosphere, more of the sun's radiant energy is trapped as heat, causing global warming.Other activities that are contributing to global warming include massive deforestation projects and the emission of methane and several other air pollutants.he cause of global warming is human activity, specifically the burning of fossil fuels which releases millions of tons of carbon dioxide into the atmosphere every year.