To make energy, a plant must get carbon, hydrogen, and oxygen atoms. What is the source of these atoms? A. Air and water
B. Water and sunlight
C. Water and soil
D. Air and sunlight

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.