Why was Lord Kelvin's argument for the age of Earth fundamentally in error?


Lord Kelvin assumed that Earth cooled from a molten state, and he did not know about Earth's internal heat source - radioactivity.

Environmental & Atmospheric Sciences

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If you were in southern Ontario and you wanted to stand with the average prevailing winds blowing in your face, in which direction would you face?

A. north B. south C. east D. west

Environmental & Atmospheric Sciences

The surface between the saturated zone (below) and the unsaturated zone (above) is called the:

a) water table b) hard pan c) saturated lid d) recharge zone e) head level

Environmental & Atmospheric Sciences

Which movement originated in 2011 as a protest against the concentration of wealth in the United States?

a. NOW b. One Percent c. Fair Access and Income Redistribution (FAIR) d. Money Matters e. Occupy Wall Street

Environmental & Atmospheric Sciences

Daily mean temperature is factored in one of two ways: either the average of hourly temperature readings taken over a 24-hour day or the average of the daily minimum-maximum reading

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences