Diffusion is the spontaneous movement of substances from a region of high concentration to a region of low concentration.
Osmosis is the passage of water molecules from a high water concentration region through a selectively permeable membrane to a low water concentration region.
In diffusion, selectively permeable membrane is neither required nor involved while in osmosis, it is involved.
Answer: 30,000,000,000,000
Explanation:
Humans are complex organisms made up of trillions of cells, each with their own structure and function. Scientists have come a long way in estimating the number of cells in the average human body. Most recent estimates put the number of cells at around 30 trillion. Written out, that's 30,000,000,000,000!
Learned it in class
Answer:
B lower than normal
Explanation:
What old people do you see having kids
Answer:
-distribute energy grids
-recyling manufacturers for recycling resources that are not just plastic
-composting food waste to produce nutrient dense soil for crops
-conserving water= using it only when its needed
-walking biking or taking public transport instead of a car to reduce pollution and traffic amongst the streets
Answer:
Moderate chemical weathering
Explanation:
moderate chemical weathering will be the type of weathering