What is the 'Information Ratio - IR'. The information ratio (IR) is a ratio of portfolio returns above the returns of a benchmark -- usually an index -- to the volatility of those returns. The information ratio (IR) measures a portfolio manager's ability to generate excess returns relative to a benchmark but also attempts to identify the consistency of the investor.
Prop 65 lists of over 900 substances, including lead, that businesses are required to warn consumers about. Lead is a natural element in soil, so it can be found in trace amounts in anything that is grown or drawn from the earth â including fruits, vegetables, and, of course, Earthpaste.
Report Abuse. 1) lead is an element unless your sinker is an alloy 2) lime cordials are mixtures 3) copper sulfate is a mixture of a compound and water 4) salt is a compound 5) Brass is a mixture specificly an alloy 6) Toothpaste is a Mixture of many compounds.Elements are made up of only 1 type of atom ie.eport Abuse. 1) lead is an element unless your sinker is an alloy 2) lime cordials are mixtures 3) copper sulfate is a mixture of a compound and water 4) salt is a compound 5) Brass is a mixture specificly an alloy 6) Toothpaste is a Mixture of many compounds.