The Great Barrier Reef is the world's largest living structure. It is made up of around 2900 individual reefs and 900 islands. ... Climate change is perhaps the biggest threat to the Great Barrier Reef. Warmer ocean temperatures put stress on coral and lead to coral bleaching.
Fossils help scientists date rocks: True
Sometimes younger rock layers are found beneath older rock layers: True, because it happens with landslides and other causes.
No fossils from the Precambrian era have been found because there were no organisms at the time: False because there were organisims like algae and bacteria, and there are a very small amout of fossils from that era.
The map of Earth has changed over millions of years, but is now set: False
Answer:
could grow different spices that could not be grown in Europe
Explanation:
<span>The extra water vapor begins to condense out of the air parcel the form of liquid water droplets and a cloud is formed .Another way mountains cause cloud formation is when air rises because the mountain is warmer than the surrounding air and causes the air to rise.</span>
-struggling economy.
Developed countries tend to extort developing countries and get richer while the developing countries get poorer , hence a struggling economy.