4. The range of wavelengths of light that is visible to humans is
A. 380 nm - 550 nm
B. 400 nm - 600 nm
C. 380 nm - 750 nm
D. 200 nm - 900 nm

Which of the following is not a characteristic of carnosaurs? a. long narrow skulls b. strong forelimbs c. horn projecting from their skulls d. none of the above

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?

To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a