If you use walking as a model for wavelength and amplitude , what would a long and high step represent ?

• short wavelength, low amplitude

• short wavelength, high amplitude.

• long wavelength, low amplitude.

• long wavelength, high amplitude.

answer: 21

step-by-step explanation:

divide 630 by 30. 30 goes into 630 21 times

1. dermis

2. chemical

3. urine

4. viruses

5. antibodies

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.