Answer:
1, 3 and 5 are true.
Explanation:
A smaller planet doesn't have the gravity to hold and atmosphere (with oxygen) or water. A larger earth would hold a thicker atmosphere, which would contain more ammonia and methane.
Answer:
Seismic sea waves are also triggered by landslides.
Explanation:
Answer:
How are they different to 'greenhouse gases'? Greenhouse gases are naturally occurring. They include carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O). Synthetic greenhouse gases are man made chemicals and generally have a much higher global warming potential than naturally occurring greenhouse gases.
Explanation:
:p
