The Evolution of the Atmosphere

Question 1

What is the equation for photosynthesis

Answer 1

Carbon Dioxide + Water →Glucose +Oxygen

6CO2 + 6H2O → C6H12O6 + 6O2

Question 2

What is Global Warming

Answer 2

The overall increase in the Earth’s temperature

Question 3

What is Climate Change

Answer 3

Climate change is a consequence of global warming and refers to the effects on the climate, such as large-scale shifts in weather patterns

Question 4

What is Carbon Footprint

Answer 4

Its the total amount of carbon dioxide and other greenhouse gases emitted over the full life cycle of a product, service, or event.

Question 5

What is the equation for the complete combustion of a hydrocarbon

Answer 5

Hydrocarbon + oxygen ➔ carbon dioxide + water

Question 6

Describe why carbon monoxide is harmful for humans.

Answer 6

When we breathe in carbon monoxide it diffuses into our bloodstream, and binds to our haemoglobin

This reduces the amount of oxygen that haemoglobin can carry

So less oxygen is transported to the tissues, which can cause symptoms such as fainting, coma and death

Question 7

When burning fossil fuels, how is sulfur dioxide formed?

Answer 7

Sulfur is an impurity in some fossil fuels and is oxidised when they’re combusted