Sheet lightning
A) does not require a separation of charge.
B) is visible as sharp streaks of lightning arcing through the sky.
C) occurs when the electrical resistance in the air overcomes the voltage gradient within a cloud or between clouds.
D) accounts for the majority of all lightning events.
Question 2
When a large number of runaway electrons accumulates in a small volume, the energy is released in a process called a
A) electron conveyer.
B) positive discharge.
C) runaway breakdown.
D) volumetric discharge.
By reflecting most visible light, snow creates a much cooler microclimate than nearby bare ground.
Young whale with blowholes clearly visible
(A) Lymphatic vessel with valves within tissue cells; (B) photomicrograph of lymphatic vessel with v
Four Lockheed P-38 Lightning fighters in formation.
West Antarctic Ice Sheet