An ultrasound can produce the image of a fetus by using waves that are labeled as "ultrasound waves" or in ultrasonic frequency.
This may seem like an odd concept but you should note that everything we see and hear is made up of waves, like light and sound, that are at different frequencies.
The reason why there are different color lights are because there are different type of frequencies. Some frequencies, such as ultrasonic, we can not see with our human eye.<span />
Answer:
One molecule of catalase can break 40 million molecules of hydrogen peroxide each second
Explanation:
Answer:
Endospores
Explanation:
Autoclaving is a sterilization method that involves the use of high temperature and pressure. In medical application, it is used for the sterilization of medical equipment and also used for vulcanizing rubber and curing coatings in the chemical industry.
Autoclaving process destroys living cells as well as bacterial endospores. Endospores are tough non reproductive structures produced by some bacteria. They have the ability to be dormant, hence can enable bacteria to survive environmental stress.
1,560,000 milliseconds is 26 minutes and 26 minutes is about .43 hr
so the second one is the correct answer
