Proteins are made up of amino acids
Blood is a suspension.
In a suspension, solute-like particles
of a substance are blended with a solvent-like fluid but are not dissolved. Blood
is a suspension of blood cells and platelets. It contains large particles large
enough ( to settle) for sedimentation.
Erythrocytes are cells that
transport oxygen from the lungs to the body It also removes and transports
carbon dioxide from body tissues to the lungs. The average adult has
approximately 5million cells/ul. Its production is controlled by erythropoietin. Erythropoietin
is produced by the kidneys.
Answer: D
Explanation:
In the graph it shows that question D flattens out quicker than the other answers.
Point source means: the pollution that comes from a single point (examples)
Sewage pipes releasing sewage into a ditch
Smokestack style factory chimneys
Oil pipes
Pollution which is caused by rain fall or snow melting into the ground. As the runoff moves, it picks up and carries away natural and human made pollutants, Finally reaching a lake, river, ocean, groundwater.
Answer:
The answer is statement 1, 2, and 3
Explanation:
A hypothesis is a starting point for further investigation, therefore a hypothesis will always be a possibility at least until it is tested.
Variable is a factor that is liable to vary or change.
A hypothesis without being tested is merely a statement or an explanation made on the basis of limited evidence. Therefore it is unsure whether the said statement is true or not.
A hypothesis can still be proven by further investigation with different variables