The procedure is called renal angiography. This procedure is done to check the quality of blood flow to the kidneys, check for blockages, narrowing of the blood vessels and lastly aneurysm. A dye is usually injected into the arteries for easier visualization.
The most likely explanation for the variation is the offspring were produced from different combination of genes. A single pair of gold fish mentioned in the question means a male and a female gold fish. The two of them mated and contributed different genes to the fertilized fish eggs, this results in production of various body shape and colouration which is known as variation.
Answer:
the yeast dies
Explanation:
Fermentation only stops after the temperature rises to over 135 degrees, when it is hot enough to kill yeast
