FLVS The sentences below describe four Earth events.

1. Auroras seen in the night sky at the poles.
2. Disruption of television and radio signals.
3. Change in the length of days and nights.
4. Improvement in the transmission of cell phone signals.

Which of these events is most likely to happen on Earth during a solar maximum?
1 and 2
1 and 3
2 and 3
3 and 4

Asmall metal bar, whose initial temperature was 10° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70° c if it is known that its temperature increases 2° during the first second? (the boiling temperature for water is 100° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98° c? (round your answer to one decimal place.)

How does the kinetic energy of a charge change as the charge moves under the effect of an electric field from higher potential to lower potential? a.the kinetic energy increases.b.the kinetic energy decreases.c.the kinetic energy remains the same.d.the kinetic energy is always zero.

Abucket full of water weights 4 kg and water well is 10m deep. a girl draws water from the well. it takes the girl 3 minutes to draw a bucket full of water from the well. what is the power of the girl?