1. Which of the following is a valid piece of scientific evidence? a. The amount of snow pack in the mountains
b. The way a piece of music makes you feel
C. How many people like brownies more than cake
d. The color blue being called a calming color

Identify and describe the three ways that mutations affect organisms.

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull

#7 how does the structure of amino acids allow them to form a polypeptide? each amino acid has an amino group and a carboxyl group. each amino acid has a hydrogen atom and a carboxyl group. each amino acid has a carboxyl group and an r group. each amino acid has an r group and a hydrogen atom.