Which of the following would be an example of Non-Point Source pollution. Check all of the boxes that apply (there may be more than one) A) animal waste from farms
B) cars
C) fertilizer runoff from the yard
D) the discharge pipe from a sewage treatment plant

Which element is the least metallic between cadmium, silver, zinc, or iron?

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.

Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~