Fossil evidence because these changed occur over long time periods (millions of years).
A sharp pyramid-shaped mountain peak, formed when several cirques surround a single high mountain, is called a pyramidal peak.
A pyramidal peak, (also called glacial horn) is a sharply, pointed, pyramid-shaped mountain peak which results from the cirque (bowl-shaped basins) erosion caused by many glaciers that are carved away from a central point. The pyramidal peak has a feature of a sharp-edged summit, and steep sloping sides. Examples of pyramidal peak include; Mount Aspiring in New Zealand, Pilot Peak in Wyoming, United States and Nevado Las Agujas in Los Ríos, Chile.
Answer:
Oxygen is essential to enabling many of the Earths life forms to survive -- without access to oxygen, humans cant live for more than a few minutes. The air that enters human lungs contains about 21 percent oxygen. The process responsible for producing most of the Earths oxygen is known as photosynthesis. In this process, plants and certain other organisms convert sunlight into oxygen and other products.
Explanation:
A chastity belt or not having sex at all
When you cross a plant with a dominant Trait with a recessive version of the same trait, the recessive trait disappears in the F1 Generation and re-appears in the F2 Generation.