According to the chart below, which element makes up a large portion of the atmosphere and living matter, but NOT the ocean? (6.5B, 6.2E)
Earth Component
Elemental Composition
Earth's Crust
O, SI, AI, Fe
Atmosphere
N 0
Ocean
H, O, CI, Na
Organic Material
H, O, N, C
A. Oxygen (0)
B. Hydrogen (H)
C. Nitrogen (N)
D. Sodium (Na)

the answer is: they rebelled against saddam hussein’s rule.

kurds opposed saddam rule and wanted independence. kurds in the north and shiites in the south revolt against hussein.

for example, the halabja attack in 1988 conducted against the kurdish people by the iraqi regime under saddam hussein, where between 4000 people are killed and around 9000 are injured.

the equation that correctly represent the reaction for formation of ammonia is

n2+ 3h2 → 2nh3 (answer d)

1 mole of nitrogen gas (n2) react with 3 moles of hydrogen gas (h2) to form 2 moles of ammonia ( nh3). this is in a process known as haber process were iron is used as a catalyst and reaction take place that a higher temperature and pressure. the process is exothermic hence energy is released.

what is the question?