It helps us gain knowledge, and learn things that were previously thought to be impossible.
Answer: One sign of physical change is melting, freezing.
Answer:
chromosomes, the X and the Y.
Explanation:
Egg cells all contain an X chromosome, while sperm cells contain an X or Y chromosome. This arrangement means that it is the male that determines the sex of the offspring when fertilization occurs.
Answer:
hmm.......................
Answer: Anaerobic pathway would be used during a one minute steep climb.
The lactic acid is produced or the lactic acid energy production occurs through a series of biochemical steps and is known as anaerobic glycolysis. A molecule of sugar is converted first to pyruvate which converts then to lactate. Anaerobic glycolysis occurs in the absence of oxygen and the energy of the glucose is used for ATP production and the process occurs very rapidly as compared to aerobic pathway and the phosphagen pathway.
