Help fast plsss ! which statement is true for nuclear reactions but not for chemical reactions?

Once cells with nuclei developed, organisms were able to become more complex, which allowed them to adapt to the conditions in more habitats. by which process do organisms adapt and evolve?

An object is 10 cm from the mirror, its height is 1 cm and the focal length is 5 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1 -1 +10 -10

Which property is expressed in distance units? o a. period o b. wavelength o c. speed o d. frequency