Name three sources of atmospheric carbon dioxide.

Smog is the term used to describe the combination of fog and smoke

In pea plants, the allele for tallness (t) is dominant to the allele for shortness (t). in the cross between a tall pea plant and a short pea plant shown below, what is the probability that the resulting offspring will be tall? whats the percent

Name the element in group 17, period 2. (periodic table)