What does it mean when something has a high ph level? low ph level ?

Danielle has blonde hair. her mother has blonde hair and her father has brown hair. which explains how danielle inherited her hair color? she inherited a chromosome that carry alleles for hair color from someone other than her mother and father. she inherited a chromosome that carries an allele for hair color from only her father. she inherited a chromosome that carries an allele for hair color from only her mother. she inherited a chromosome that carries an allele for hair color from each parent.

If a population is growing quickly in a small area then what must increase as well

The process by which liquid water changes into water vapour is called what ?