The Sun's radiant energy is composed primarily of visible light and infrared wavelengths
Indicate whether the statement is true or false
TRUE
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Read the following paragraph to answer the question:The Mt. St. Helens eruption in Washington state in 1980 measured 5 on the volcanic explosivity index (VEI). Only 57 people died from the Mt. St. Helens since most people were warned to evacuate the area prior to the event. Four years later, in 1985, Nevado del Ruiz in Colombia erupted. While only measuring 3 on the VEI, the eruption resulted in 25,000 deaths when unsuspecting residents of local towns were overrun by fast-moving lahars.How much more volcanic material was released by the Mt. St. Helens eruption compared to Nevado del Ruiz?
A. Ten thousand times more B. A hundred times more C. Ten times more D. Twice as much
Which of the following best matches the description?Protein molecule that speeds up the rate of a reaction.
A. kinetic energy B. ion C. photosynthesis D. nucleus E. potential energy F. pH G. acid H. isotope I. combustion J. enzyme K. neutron L. electron M. entropy N. proton O. respiration P. base Q. latent heat
Specialized cells, tissues, and organs which secrete hormones are part of the
A. digestive system. B. endocrine system. C. excretory system. D. circulatory system. E. immune system.
A land/sea breeze, a mountain/valley breeze, and a lake breeze are examples of which of the following?
A. thermal circulations B. mechanical circulations C. atmospheric longwave circulations D. atmospheric vertical circulations