The number of seconds in a 30 day month is
a.
b.
c.
d.
d.
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As the intensity of light is increased in a photoelectric effect experiment, the energy of the emitted electrons increases
Indicate whether the statement is true or false
Which of the following is not an expected consequence of global warming?
A) an increase in the severity of winter blizzards B) an increase in the number and intensity of hurricanes C) melting of polar ice and glaciers D) the entire Earth warming up by the same amount
A hurricane watch is issued when
a. a tropical storm begins to form. b. a hurricane has been sighted. c. a storm surge has hit the coast. d. there is a threat of hurricane conditions within 24 to 36 h.
Saturn is the only planet with a ring system
Indicate whether the statement is true or false