Which of the following can be a useful property of a mineral? 1)Hardness 2)Ability to burn 3)Ability to conduct electricity 4)All of the answer choices

How have the greenhouse gasses increased from the year 2000 to 2018

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.