Gregor Mendel took it upon himself to force cross-pollinate his plants. He physically took pollen from one plant and brought it to the pollen of a different plant.
Answer:
Northern European citizens are among the healthiest in the world.
Explanation:
Northern Europe is a region that can be admired from pretty much every aspect. The countries located in this region tend to wealthy, well organized, people have high earnings, education is among the best in the world, etc. These countries actually managed to become as they are now in the past half a century, while before that they were relatively poor.
One thing that lot of people admire about these countries is their medical system. It is a socialist type of medical system, where every citizen is provided with free or very cheap healthcare. Not just that, but the medical personal is excellent and the patients are treated with the newest methods and technologies. When added to this the aforementioned positives, but also healthy living habits and clean environment, it is no wonder that the people of Northern Europe have among the highest life expectancies in the world.
Lions, giraffes, elephants and other animals gain their energy through various sources like the food they eat, water, oxygen, as well as the sun. However, they do get their energy mainly from the food that they eat and also water.
