Write the technique used to seperated the following mixtures
a mixture of two amino acids, glycrine and alamine

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.

What is the formula of the ionic compound composed of calcium cations and chloride anions