Answer:
sandstone, limestone, and shale. These rocks often start as sediments carried in rivers and deposited in lakes and oceans. When buried, the sediments lose water and become cemented to form rock. Tuffaceous sandstones contain volcanic ash.
Answer:
Table Sugar!
Explanation:
Sucrose, also known as common sugar, is used by humans to sweeten foods. Yummy ice cream, making coffee a little less strong, there are lots of things you can use sugar for! It is composed mainly of glucose and fructose.
There are several techniques used to evaluate the activity of the brain, each technique has its own mechanism. One of the most known technique with repeated scans is Computed tomography.
Computed tomography (CT) is a technique that <span>includes repeated scans to allow researchers to see the brain at work. the x-ray beams are aimed at the subject's head then sampled by one of the many detectors in the machine.</span>
Answer:
Polyphenol oxidase (PPO) activity was determined by measuring the initial rate of quinone formation,
as indicated by an increase in the absorbance units (AUs) at 420 nm. An increase in absorbance of 0.001 min−1 was taken as one unit of enzyme activity
