Answer:
Sewage treatment generally involves three stages, called primary, secondary and tertiary treatment. Primary treatment consists of temporarily holding the sewage in a quiescent basin where heavy solids can settle to the bottom while oil, grease and lighter solids float to the surface.
Explanation:
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Answer= Because polar bears depend on ice as a habitat to survive the more the temperature is rising and the sea ice melting as a result of global warming there is basically a possibility that the population of polar bears will decline because there will be no home (habitat)left for them to breed(survive)in.
Answer:
Particle masses are often reported as powers of 10 times this unit over c squared; ... The name of what king of Epirus inspired a term meaning a very costly victory? ... This structure's outermost cells are classified as "on‐center" or "off‐center" ... In one work about these objects, a D-flat major triad followed by a B major triad is .Explanation:
Krill, snails and abalones are primary consumers
Answer:
Explanation:
-Sodium-potassium pump (exchange of sodium and potassium ions across cell walls)
-Amino acids moving along the human intestinal tract.
-Calcium ions moving from cardiac muscle cells.
-Glucose moving in or out of a cell.
-A macrophage ingesting a bacterial cell.
