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.
Geologists can determine the actual age of features on a planet by the radiometric dating method in which the age of the rocks is calculated by the natural decay of the radioactive isotopes of elements such as carbon.
In the radiometric dating method, the radioactive minerals in rocks are used. The radioactive isotopes, which are the chemical elements, naturally break down and decay to form a new isotope.
Each radioactive element has a unique decay rate which is known. Hence, the radioactive isotopes are crucial for the geologist to compare and identify the age of the rocks and furthermore, the planet.
To learn more about here isotopes here
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Sunna
in Yemen . Overall in the Arabian Peninsula most rain falls in the
South West, and up along the Red Sea coast in the southern half of the
Peninsula. and along the western half of the south coast/ There is also
some rain in the north east. However there are some parts, particularly
the central and south east that hardly ever see rain. Less than 3 cm per
year.
Evolution effects us today as we are always evolving to live in different places and do different things as for the animals they are also evolving to the world around them. We have evolved from gorillas so therefore that effects us in the term that we should still be evolving
