What proportion of the population is probably heterozygous (aa) for this trait?.

It's 90 °f in the shop with high humidity. what pressure will be shown on the high-side pressure gauge (ac system on)?             a.  10 to 50 psi    b.  40 to 140 psi  c.  210 to 290 psi  d.  at least 350 psi

Which element contributes to nye’s voice in this passage

Should teachers be allowed to have guns at school? why or why not?