Limestone orginates because of: chemical weathering
physical weathering
biological processes
chemical precipitation ​

Plz plz plz quick! 49 points for whoever which of the following statements about greenhouse effect is true? *life on earth is suffering because of greenhouse effect *the greenhouse effect is caused by human activity *all greenhouse gases are harmful *life on earth would not exist without the greenhouse effect

Which is an example of a decomposer? a. bear b. algae c. grass d. bacteria d bacteria

Talking listening and reacting non verbally are all part of communicating