Which of the following is the list of macronutrients needed to sustain good health?
a. vitamin A, C, and iodine
b. vitamin A, C, and E
c. iodine, protein, and carbohydrate
d. protein, carbohydrate, and fats
e. protein, carbohydrate, and nucleic acids
D
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A pigeons navigates by way of sight and
A. a built-in compass. B. protein in it eyes. C. magnetite crystals in its brain. D. useful bacteria.
____ is a critical aspect of science
A) The ability to operate in reverse B) The ability to be refined with new information C) Looking at data rather than being told D) All of these choices are critical aspects of science
How would you figure out if rock unit A or rock unit D formed first, or if they coincided?
What will be an ideal response?
What best describes the basic way in which soils form?
A. physical and chemical weathering of rock B. breakdown of minerals by ultraviolet radiation C. erosion and deposition of sediment D. repeated flooding over long periods of time E. reactions between water and atmospheric oxygen