Biogeochemical Cycles

Question 1

What is the backbone of life on Earth?

Answer 1

Carbon

Question 2

What does no carbon mean in regards to life?

Answer 2

No carbon=No life

Question 3

What does reactions of the carbon cycle mean?

Answer 3

Transformation of energy.

Question 4

What are the 3 reactions of the carbon cycle?

Answer 4

1. Photosynthesis
2. Respiration + plants at night
3. Combustion

Question 5

What is synthesis?

Answer 5

Making something new.

Question 6

What happens with photosynthesis?

Answer 6

Carbon dioxide, water, and sunlight are needed for photosynthesis to happen. It will then produce sugar and oxygen.

Question 7

What’s the formula for photosynthesis?

Answer 7

6CO2+6H2O->C6H12O6+6O2

Question 8

What happens with respiration?

Answer 8

When we consume glucose and oxygen, we exert carbon dioxide, water, and energy.

Question 9

What’s the formula for respiration?

Answer 9

C6H12O6+6O2->6CO2+6H2O+ATP(energy)

Question 10

What is combustion?

Answer 10

Burning something while using oxygen.

Question 11

What does combustion form/produce?

Answer 11

It forms an oxide and produces heat.

Question 12

Name 3 sources of combustion,

Answer 12

1. Volcanoes
2. Forest fires
3. Factories

Question 13

Why are factories bad when it comes to a source of combustion?

Answer 13

Because it’s non natural which causes imbalance.

Question 14

What increases global warming?

Answer 14

More carbon in the atmosphere.