Errors in experimental technique can result in the percent recovery of copper being too low or too high. give at least one specific example of each type of error in technique, and explain what could be done to ensure that those errors do not occur in the recovery

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

How does a hydroelectric power plant converts energy into energy.

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.