A | B |
What are raw materials? | Something found in nature that people use. |
What is a raw material? | is a resource which is canged before it is used. |
What is the resource made up of? | 1- Water and soil 2- Plants and animals 3-Minerals |
What is the defintion of recyclacble? | used over and over without being destroyed |
What is the defition of renewable? | Destroyed, But can be replaced |
What is the defintion of nonrenewable? | cannot be replaced |
What is the percent of saltwater ? | 97% |
what is the precent of fresh water? | 3% |
What is the distribution of water? | Amount o water never changes |
What is topsoil? | The uppermost 6 unches of the soil. |
Where do minerals in soil come from? | Parent material |
Parent material is broken down by? | Mechanial and chemical weathering. |
What is humus? | decayed plant and animal matter. |
What does humus do to the soil? | it makes the soil fertile |
If climate is too wet what will happen to soil? | it will be leached. |
What does leached mean? | dranied of nutrients. |
What will happen to plants if the climate s too dry? | Plants wont grow. |
What will happen to soil if there is dry climate? | Soil will have very little humus. |
Are biotic resources living or non-living? | Living! |
What is minerals? | are nonliving, nonrenewable resoucs. |