With liguid water underneath its icy surface, Jupiter's moon Europa is often cited as a potential site for extraterrestrial life. What other compunds would indicate that chemosynthesis supports life on the planet. a. oxygen b. glucose c. methane d. hydrogen peroxide

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?