Based on fig. 2.11, at what temperature would each of the following solubility levels be observed?
a. 50g KCL in 100g H2O
b. 100g NaNO3 in 100gH2O
c. 60g KNO3 in 100g H2O

Explain how ancient whale fossils found in eqypt are believed to support the theory of evolution.

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

What factors contribute to the effect an environmental toxin has on the human body?