Potassium hydroxide is used to precipitate each of the cations

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

Feedback is given with little or no reservation 1.supportive 2.high-monitoring 3.positive 4.low-monitoring ?

Scientists observed a rock stratum with fossil. if mollusks evolved before arthropod, where will their fossils be found.