What do these two changes have in common?

a log decomposing in the woods

rust forming on a metal gate

This body system is where oxygen gas and carbon dioxide gas are exchanged in our body. * A.) Circulatory System B.) Respiratory System C.) Lymphatic System D.) Nervous System

The accepted length of a steel pipe is 6.7 m. Calculate the percent error of each of these measurements. a. 6.8 m b. 6.1 m c. 6.7 m d. 6.6 m

Using the equation PCl5 (g) = PCl3 (g) + Cl2 (g), if PCl5 is removed, what will the equilibrium shift?

Carbon has an atomic mass of 12amu and an atomic number of 6. how many neutrons, protons and electrons are in a neutral atom of carbon-12? answers

What is the osmolarity of a solution made by dissolving 0.50 mole of the strong electrolyte cacl2 in 1.0 l of solution?

What are some solid mixtures in a classroom

What is the electron configuration of aluminum?

What is the volume of an object with a height of 2.3cm, a width of 2.4cm, a mass of 17.5g, and a length of 20cm?

Is layers of sediment forming at the bottom of the ocean erosion?

How to find the better buy of two of the same item, but they have different units of measurements and different costs.?