What is the dominant gas of our planetary atmosphere?
Who makes the oxygen we and most of the creatures breathe?

Where is this person in a funny suit going?
How will they breathe?
What happens with regards to pressure, the deeper you go….?

What is decompression sickness commonly known as?
Why does it happen?
How can you prevent it from happening?

What happened here? Why is this person so swollen?

How does atmospheric gaseous nitrogen get ‘fixed’ and enter the soil?
Who changes the ions of nitrogen between Ammonia NH3 to nitrate NO3 to nitrite NO2?

If we are talking about excreting nitrogenous waste as a liquid, what are the body parts involved in making this happen?

A solid form of nitrogenous waste is called a?

What is the difference between a steer and a bull?
What nutrient is in green grass and alfalfa hay?

What kind of fertilizer is this? In English.

What is the active ingredient in this stump remover product?

What substance exploded at this harbor in Beirut Lebanon?

What important ingredient in gunpowder are they mining here?

Why does the military no longer fire rifles with black powder like in Civil War days?

BLACK POWDER INGREDIENTS Early Gunpowder An explosive mixture of 75% Potassium Nitrate, 10% Sulfur and 15% Powdered Charcoal. The first explosive known.

What do they put in sandwich meats to help them be preserved longer?

Are nitrates or nitrites ‘bad’ for you?

Are nitrates in vegetables natural? Where did they get the nitrates from?

Why do they put nitrogen in gasoline?

What are the basic elements in every single amino acid? Name four.

If you fold tuck and twist enough amino acids together, what do you get?

What is a good plant based source of tasty protein?

What are the funny nodules on these roots?
What grows on the roots of leguminous bean type plants?
What do they do? Why are they there?
What do farmers call these kinds of crops?

In Mesoamerican agriculture, what are the three sisters?
Why were they planted together?
What do they do for each other?
What is at the top of the corn plant (the dotted thing)? What is the stringy stuff coming out of the top of the corn cob?

What is your favorite high protein food? Which come from animals, and which come from plants? And which comes from a bacteria?

Which of these alkaloids have you met in person?
What is the atom common to all these alkaloids that is colored in blue?

What is this man carrying on his back and head? What is being picked here?
Is it a fruit or a seed? Does it grow in warmer climate countries or in colder countries?
The main alkaloid it contains is?

Do you drink these liquids? Do you know somebody that does? What are these drinks? Do you like to drink bitter, sweet, or salty things?

What kind of plant is this?
What are the round pods with a crown thing at the top?
What part of this plant produces a alkaloid rich white latex?
Do you know somebody in the hospital who was in pain and had to have a morphine drip or take oxycodone?
Do you like to eat poppy seed bagels?

What is this plant?
Where does it come from?
What plant alkaloid comes from its leaves?

What is being manufactured here in the jungle?

Why do people snort white powder through their nose?
Do you think this contributes to a healthy and happy society?
Who should go to jail – the farmers, the processors, the dealers, the consumers, or?

What is this plant? Does it look a little bit like a tomato or an eggplant?
How do you think the leaves smell?

In the middle ages, why do you think they thought a woman with dull dilated spaced out eyeballs was attractive? Do models of today have the same look?

What is wrong with this person? Why does their eyeball look like this?

What is this plant from the rainforests of south America that they called Jesuit bark or cargua cargua?

Who is this epic botanist? Where is he from? Where did he explore? What seeds did he collect?

What is in the tonic water of a gin and tonic that is beneficial to human health? Why is it advertised as ‘pleasant medicine’? What are you trying to prevent or cure by drinking this?

Which alkaloid has the nitrogen in a tertiary amino group? What plant has this alkaloid?

What plant is made into a stimulating tea in the desert?
Why is it also called Mormon Tea? Why can Mormons drink it but not drink coffee or tea?

What is the primary active ingredient in some cough syrups and decongestants? Hint: it has a similar name as the scientific name of the plant picture above.

Have you seen people like this laid out on the streets? What happened to them? What did they smoke or inject into themselves?

What was the number one cash crop of colonial America?

How do some native tribes in the Amazon take their tobacco?
Why do they use tobacco? What does it do for them?

If you are hunting monkeys with a blow gun and not a shotgun, what would you tip the darts with so that you can have monkey for dinner?

What might be another use for the poison used in darts, in modern day society?

If you have an aquarium, what particular nutrient do you have to be careful of such that it does not become excessive?
From where does this nutrient come from?

If you have too much of this nutrient, what might grow in the tank? Where did it come from?

What makes green leaves grow? (Aside from the sun and water), what is the main plant nutrient? How do you make a yellowy lawn turn green real fast?

At twenty degrees Celsius, Nitrogen is in what form as a physical state (solid, liquid, or gas)?
What is nitrogen’s crystal structure? What shape?

How many electrons does Nitrogen have? How many protons?

Thank you to all the photographers and artists who captured and made these images, and put them online for everyone to use and learn from.