effect on surface temperatures — for a time. Volcanic eruptions spew particles into the atmosphere that block some measure of sunlight. El Nino and La Nina =hanges in Pacific Ocean currents are associated with seasonal or yearly temperature fluctuations.The Washington P=st — Absolutely everything you ne

effect on surface temperatures — for a time. Volcanic eruptions spew particles into the atmosphere that block some measure of sunlight. El Nino and La Nina changes in Pacific Ocean currents are associated with seasonal or yearly temperature fluctuations. liPage of EFTA_R1_01946370 EFTA02672640 Nev