In an exothermic reaction, the products A. Are at a higher energy level than the reactants

B. Are at a lower energy level than the reactants

C. Do not change at all

D. Are at the same level as the reactants

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

How many grams of aluminum will there be in 98g of al2o3?

[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