Answer:
Prime Meridian
Explanation:
The most important line of longitude is the Greenwich or Prime Meridian (0°). This line runs through the Greenwich Observatory in London.
The answer is true (a) because if the life cycle suddenly doesn't work, this will have an impact on all other organsims
The release of greenhouse gases damages the ozone layer, (the layer protecting us from the suns rays) exposing the planet to the suns harmful radiation rays, increasing the temperature by a small amount each year
