Below describe or illustrate an example of when a biotic factor affects an abiotic factor. List of Abiotic factor:
Fallen Leaves
Elevation
Wind
Atmosphere (air)
Precipitation
Carbon Dioxide
Shade
Temperature
Sunlight
Oxygen
Season
Animal waste
Rock
Fallen tree

List of biotic factor
Salamander
Bird
Trees
Grass
Fish
Worms
Squirrel
Mushroom
Lake or stream
Black bear
Bacteria
soil

Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic. b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy. c. all bacterial enzymes are harmful to humans and the environment. d. microbes create pollutants and toxins that harm the environment.

Someone me with this: a mineral' is determined by its actomic structure.

1) what three conditions must be present for minerals to form through natural processes? 2) why are minerals considered inorganic substances? 3) how do oxides differ from other minerals that contain oxygen atoms? 4) how is a sulfide different from a sulfate? what makes native elements unique?