Eating a sweet potato provides energy for human metabolic processes. Which is the original source of this energy? A) protein molecules stored within the potato
B) starch molecules absorbed by the potato plant
C) the sun through photosynthesis
D) vitamins and minerals found in the soil

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?

[ou.03jthe pictures below show the wavelengths and intensities of electromagnetic radiations emitted by three stars, star 1, star 2, and star 3. intensity intensity- intensity- 1000 3500 6000 8500 11000 wavelength (a) star 1 1000 3500 6000 8500 11000 1000 3500 6000 8500 11000 wavelength (a) wavelength (a) star 2 star 3 which of these statements is correct about the color of the three stars? star 2 is white in color o star 2 is yellow in color star 1 and star 3 are yellow in color star 1 and star 3 are white in color