A lot of people want geologists, local councils are always in need of a geologist so that is an easy career. A geologist is a good career because people are looking for them and they become more and more important. I hope that helps
Oxygen causes the chemical weathering of a rock containing iron to become soft and crumbly and reddish brown in color.
<h3>What is the role of oxygen in rock weathering?</h3>
Oxygen is said to be a very reactive element and this often makes it reacts with rocks and this often leads to rust formation and others.
Therefore, Oxygen causes the chemical weathering of a rock containing iron to become soft and crumbly and reddish brown in color.
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It means to guess/round a number.