Mutations involve some kind of change in _____
A)species
B)chromosomes
C)alleles
D)offspring
E)populations
B
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When you double the voltage in a simple circuit you double its
A. current and resistance. B. current. C. current while lowering its resistance. D. resistance.
What are the three primary objectives of the U.S. immigration policy? How might this change with current challenges of migration across the globe?
What will be an ideal response?
Why does the beach slope under water become steeper near shore?
a. The sand grains are finer near shore. b. The bottom has to rise rapidly to merge with the sand of the barrier island. c. Sand from the onshore part of the beach has to drop abruptly because offshore the sand is under water. d. Waves in shallow water drag on the bottom, so they lose energy and need a steeper slope to move the sand. e. The waves are bigger near shore.
When should the fire fighter at the hydrant charge the supply line?
a. after placing the hose clamp b. after the supply line is connected to the pump intake c. as soon as it is connected to the hydrant d. upon receiving a signal from the driver/operator