In one experiment, Mendel grew 633 green pea plants with wrinkled seed covers. If the ratio of wrinkled seed plants to straight coat seed plants was 3: 1, how many straight coat seed plants did he grow? *

the second type of galaxy is called a barred spiral, which has a thing called a bar straddling the nucleus

it creates acid rain

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.