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Question 1

what is a closed system?

Answer 1

a system (like our world) that cannot add or remove resources
-resource management

Question 2

what are 2 nutrient cycles

Answer 2

carbon/oxygen - photo syn. and cellular respiration

nitrogen

Question 3

carbon/oxygen cycle

Answer 3

C6 H12 06 + O2 —> CO2 + H2O + E

—> cellular respiration

Question 4

she’ll diagram and lewis diagram

Answer 4

shell : uses dots of 2,8,8,8….

lewis: shows the valence shells (when bonded it splits in the middle)

Question 5

photosynthesis

Answer 5

conversion of solar energy into chemical energy

Question 6

respiration

Answer 6

real ease of chemical energy by taking in O2

Question 7

eutrophication

Answer 7

buildup of excess N2 in water

Question 8

ice age

Answer 8

flooding (coast) and extreme weather

Question 9

nitrogen cycle

Answer 9

atmospheric nitrogen turns to ammonia through the process of nitrogen fixation (nitrogen joining with hydrogen). ammonia turns to nitrate in the process of nitrification (creation of nitrates and release of H and join if O). though the process of denitrification (breakdown into elemental N and O) breaks back down into Nitrogen and Oxygen

Question 10

sustainable development

Answer 10

development or growth if a system

Question 11

industrial revolution

Answer 11

consumption increased during this time

Question 12

dead leaf

Answer 12

when a leaf dies, decomposers break it down into elements that are reabsorbed

Question 13

how to reduce carbon dioxide levels in the atmosphere

Answer 13

plant more trees
carbon capture
reduce consumption