Which of the following is/are part of the nitrogen cycle?

eutrophication

denitrification

saturation

all of the above

What element has its 7 valence electrons in energy level 4 in s and p orbitals?

Topsoil occurs in this layer, which is composed of a combination of organic debris and mineral matter

What are the three challenges of a cell?

A similarity between the forces involved in both ionic and covalent bonding is that both A. involve the sharing of electrons. B. involve the transfer of electrons. C. involve the attraction of opposite charges. D.

2. Graph the following information in a LINE graph. Label and number the x and y-axis approHDILI. # of Days # of Bacteria lasWN aj What is the independent variable? b) What is the dependent variable?

What is the difference between interpreting and analyzing

Cooper has a density of 8.9g/sm to the 3rd. If a sample has 90.5g what is the volume of the sample?

Change of a gas to a liquid

A beaker contains a clear, colorless liquid. part a if it is water, how could you determine whether it contained dissolved table salt? do not taste it!

How many grams of hydrogen gas will be produced when you react 40.0 grams of sodium with 25.0 grams of water?