Answer:
Covalent bond is a primary chemical bond formed by the sharing of electron pairs
Hydrogen bond is a weak electrostatic attraction between the hydrogen and an electronegative atom due to their difference in electronegativity.
A tide<span> in which the </span>difference between<span> high and low </span>tide<span> is the least. </span>Neap tides<span>occur twice a month when the Sun and Moon are at right angles to the Earth. When this is the case, their total gravitational pull on the Earth's water is weakened because it comes from two </span>different<span> directions. Compare </span>spring tide<span>.</span>
Some stimuli act as attention-getting stimuli due to their physical characteristics; others, due to their meaningfulness, act as attention-holding stimuli.
For example, somebody's physical appearance, of a person who is attractive, is used as an attention-getting stimuli, but their psychological qualities are what hold your attention due to their meaningfulness.
Chemical reaction hope this helped :)))
