If the weather gets too cold, the plants the deer eat can die causing the deer to starve to death and lower the population of the species.
Organic matter in soil is also called humus.
Answer: Minerals range in composition from pure elements and simple salts to very complex silicates with thousands of known forms. The study of minerals is called mineralogy. To be classified as a "true" mineral, a substance must be a solid and have a crystal structure.
A person that studies rocks minerals and earth's land forms are geologist
<span>After seeing what logging had done to other parts of Africa, in 1999 the countries of the Congo Basin decided to find a way to protect the environment and in 2000 put laws into place to make sure that logging and other things didn't have a negative impact of the environment.</span>
