Maria owns a bakery and bakes many different types of yeast breads. One day she notices that the bread she baked is flat and does not contain the air bubbles that are usually present. Which of the following would be a good explanation for what has happened to her yeast? A. The yeast did not produce the carbon dioxide needed for the bread to rise.
B. The yeast did not produce the alcohol needed for the bread to rise.
C. The yeast were very active and produced too much energy.
D. The yeast produced too much carbon dioxide.

not too sure but maybe in the hot springs.

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.

the answer is c.mitochondria. glad to .

the correct answer is 4) heat and pressure

metamorphic rocks arise from transformation of existing rocks types, in a process called metamorphism. during metamorphism the original rock(prolith) change into metamorphic rock by heating (150-200c) and pressure of more than 1000 bar. the original rock can be sedimentary, igneous, or existing metamorphic rock.