Biology does influence gender development. For example, some differences between typical boys and girls can be explained by the effect of genes on sex chromosomes, and by the levels of sex hormones and their effect on the brain during early development (e.g., prenatal exposure to high levels of male-typical hormones).
Answer:
:D means you are laughing opening your mouth where as :) simply means smilling.
Answer:
that don't need a lot of water
Explanation:
Relative clauses often begin with "that"