The bases in dna can be sequenced in an almost infinite number of ways to spell out the "sentence" of a living organism's genome. true false

Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.

Area around a charged object where the objects can exert a force on another charged objects is an electric

Mechanical energy is when there are no forces causing an object to lose energy. a. increased b. conserved c. decreased d. doubled i need this answer ! .