The correct answer is A
Because it’s ammonium
It’s B.
Bases to Amino Acids to Proteins to Cells to Tissue to Organs to Organisms
Organisms are a collection of organs, organs are a collection of tissues, tissues are a collection of cells, cells are a collection of proteins, proteins are a collection of amino acids, and amino acids are a collection of bases.
Answer:
c) Climate change, overuse of groundwater, and water pollution
Climate change: Increase in temperature leads to and increase in water evaporation and also affect the amosphere's ability to keep water in
Overuse of water: Many people living in more priviledged countries consume excess water than needed (eg: some people leave the tap running while brushing their teeth)
Water pollution: I don't think I need to explain this one
The intestinal villi crypts will make a wave area on the intestine wall so it will broaden the surface area of intestine. When the surface area of intestine become broader, intestine will absorb more food.
