18 karat rose gold is made up of 75% gold, 21% copper, and 4% silver. This mixture is a
alloy
suspension
compound
element

What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a. the mitochondria b. the nucleus c. the vacuoles d. the endoplasmic reticulum

What is the most important factor in determining climates.