Answer:
Global Warming is simply the long-term rise in temperature of the Earth's core, which inevitably would effect the climate systems of the Earth.
The Green House Effect is the natural process that warms the Earths surface.
Explanation:
The Green House Effect--> When the Sun's energy reaches the Earth's atmosphere, some of it is reflected back into space and the rest is absorbed and re-radiated by the greenhouse gases.
Answer:
to take precise measurements and do experiments
Zero degrees latitude is the line designating the Equator and divides the Earth into two equal hemispheres (north and south).