What makes up these subatomic particles? what is its definition?

What does the xylem do? stores the glucose captures the sunlight absorbs oxygen into the leaf carries water from the roots to the leaves

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

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest