Answer:
Organ- a group of tissues that work together to perform a common function
Organism- a living thing that is made out of organ systems
Organ system- a group of organs that work together
cell- the basic unit of structure and function of living things
Tissue- a group of cells that work together to perform a common function
Explanation:
Answer:
2
Explanation:
you take 1 billion and divide it by 0.5 and to check your work you would take your answer and multiply it by 0.5
Soil erosion is defined as the wearing away of topsoil. Topsoil is the top layer of soil and is the most fertile because it contains the most organic, nutrient-rich materials. Therefore, this is the layer that farmers want to protect for growing their crops and ranchers want to protect for growing grasses for their cattle to graze on.
