Which of the following has been linked to the coldest years of record over the past 200 years?

a. levels of carbon dioxide
b. El Niño
c. the sunspot cycle
d. volcanic activity


d

Environmental & Atmospheric Sciences

You might also like to view...

Subtropical high-pressure systems migrate with the summer Sun, fluctuating about 5° - 10° in latitude

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

The Earth radiates energy primarily in the ultraviolet wavelengths

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

The blue color of distant mountains is due primarily to ____

a. diffraction of light b. scattering of light c. refraction of light d. emission of light e. absorption of light

Environmental & Atmospheric Sciences

According to the Federal Emergency Management Agency, only 20 percent of all declared emergencies are weather related

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences