In a closed system, the initial kinetic energy is 70 j. The initial potential energy is 20 j. What is the total final energy of the system?.

An ancient marble statue is moved from a rural location to a highly polluted city explain how the move might affect the statue and why you think so

Layer r contains a well-known index fossil that is 100 million years old. based on this information and the principle of superposition, a. layers t and m are older than 100 million years, and layers x and g are younger than 100 million years. b. layers t, m, x, and g are all older than 100 million years. c. layers t and m are younger than 100 million years, and layers x and g are older than 100 million years.

Certain gases in air are important natural resources that are used in welding. two of these gases are a. oxygen and argon b. hydrogen and fluorine c. chlorine and sulfur dioxide d. nitrogen and carbon dioxide