75% species go extinct to be considered a mass extinction
Answer:
The derived unit of pressure is newton per metre square (Pa). It is a derived unit because it's obtained by adding two or base quantities.
The symbol is Pa and the expression in terms of SI base units is m-¹kgs-²
Answer:
algal growth due to eutrophication
Explaination:
Eutrophication is where these nutrient rich compounds mix with nearby water sources and promote the growth of large amounts of algae. Algae go through respiration and take up the dissolved O2 in water which causes these areas to experience low O2 levels. Everything needs O2 to survive thus nearby organisms and plants die out creating dead zones.
The cell membrane gateway system you are looking for is called <span>Sodium Potassium Pump.</span>
Answer: Amoeba are living even though they have one cell
Explanation:
