If you wanted to install lights to grow plants indoors, the type of light would you want to use is
A. gamma rays, because it has high energy wavelengths.
B. visible light, because it has low energy wavelengths.
C. microwaves, because it has low energy wavelengths.
D. infrared, because it has high energy wavelengths.
E. ultraviolet, because it has high energy wavelengths.
B. visible light, because it has low energy wavelengths.
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Tube feet of sea stars are used for feeding in addition to locomotion
Indicate whether the statement is true or false
Which disease results from deletion of the ?-globin gene cluster LCR?
A) sickle-cell disease B) mild ?-thalassemia C) severe ?-thalassemia D) mild ?-thalassemia E) severe ?-thalassemia
The number of extinctions of birds and mammals has gone up as human populations have increased.
Answer the following statement true (T) or false (F)
These are parasitic flatworms.
A. roundworms B. turbellarians C. flukes D. protozoans