Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy. ... The binding of a substrate to an enzyme active site is termed the "enzyme-substrate complex.
The sun appears to cross the plane of Earth's equator
when it reaches either one of the "equinox" points in the sky.
At those times, the lengths of day and night are nominally equal
everywhere (except at the poles), and the occasions are marked
as the beginning of Spring and Autumn.
The Great Divide is the physical region of North America which runs the greatest distance from North to South, it runs along the spine of the <span>mountains from Alaska to South America. It is also known as the Continental Divide of the Americas, going from the Behring Strait to the Strait of Magellen, and covers the Rocky Mountains to the Andes, it is known for being the highest elevation.</span>
The answer should be D. Hope that helps?
Answer:
Freshwater, Ocean Water, and Terrestrial.
Explanation:
These are the broadest 'three types of ecosystems' that come to mind.