Which of the layers in the diagram below are rigid?
A) 1 and 2
B) 2 and 3
C) 1, 2, and 3
D) All of them are correct.
C) 1, 2, and 3
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Growing Power, Inc., focuses exclusively on the production of a few select vegetables.
Answer the following statement true (T) or false (F)
What is a floodplain? How does it form?
What will be an ideal response?
Electrons are ejected from photosensitive surfaces by
A. photon bombardment. B. infrared light. C. proton bombardment. D. none of the above
It is theorized that a pulsar only emits X-rays and visible light during its early history. What do you suppose is the basis of this theory?
A) As the pulsar's energy dissipates, the frequency of the energy it emits drops. B) X-rays are likely the result of radioactive decay, which only can occur in a pulsar's early history. C) X-rays and visible light are both part of the electromagnetic spectrum. D) The pulsar's high rate of spin produces a magnetic field that, over time, slows the pulsar down.