Dr. Ecksplor discovers a strangely colored orchid in Brazil. Professor Seeker finds an orchid of the same color in Ecuador. The two scientist wonder whether the two flowers contain the same pigment. They feel sure that the pigment does not dissolve in water. (a)why do they feel sure that the pigment does not dissolve in water (b) Describe an experiment which they could do to find out whether the two orchids contain the same pigment.

Two nails have identical sizes and shapes. in one nail, 20 percent of the domains are lined up. in the other nail, 80 percent of the domains are lined up. which has stronger magnetic force? first answer gets brainliest!

Which substance—wood or silver—is the better thermal conductor? a thermal conductor is a material that requires very little heat energy to change its temperature. explain your answer.

The equation below shows a chemical reaction. a + b + heat —> c + d according to the law of conservation of energy, which statement is true? a. the reactants absorb heat because they have less energy than the products. b. the products release heat because they have more energy than the reactants. c. the reactants generate heat because they have more energy than the products. d. the products require heat to form because they have less energy than the reactants.