Zinc is primary nutrients or secondary nutrients ?​

The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?

Adirect relationship can be represented by: a curve a pie chart

Explain how global warming could have affected yellowstone frog and salamander habitat's, resulting in changes in the populations of these species