BIOLOGY MIDDLE SCHOOL

What graph corresponds a historical form of recording keeping? A:bar graph
B:pictograph
C:line graph
D:pie chart

Answers

Answer 1
Answer: B:pictograph



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HIGH SCHOOL

Most starch digestion and breakdown of disaccharides occurs in which section of the gi tract?

Answers

Most starch digestion and breakdown of disaccharides occurs in the SMALL INTESTINES. About ninety percent of the food that we eat are digested and absorbed at the small intestines. The remaining ten percent of digestion occurs in the stomach and the large intestines. The principal function of the small intestines is to absorb nutrients and minerals from food and send them to the blood stream. 
HIGH SCHOOL

The process which hollow visceral organs undergo to propel substances is called _

Answers

The movement is called as peristalsis. This leads to the forward movements, which leads to pushing the food into the stomach and intestines, fro the esophagus, for digestion. It is a mechanical movement. These are the series of wave-like muscle contractions. 
COLLEGE

If a chemical disinfectant is more effective than phenol, then its phenol coefficient would be ________ than 1.0.

Answers

Answer:

Greater than 1

Explanation:

Phenol co-efficient is a  measure of germicidal efficiency of any chemical disinfectant against a given set of microbes under laboratory conditions as compared to the phenol germicidal efficiency.

Any disinfectant which has a higher efficiency as compared to phenol, has a phenol coefficient greater than one. While on the other hand any disinfectant having a lower efficiency as compared to phenol, has a phenol coefficient less than one. A disinfectant having a phenol coefficient of one is as efficient as phenol.

Hence, If a chemical disinfectant is more effective than phenol, then its phenol coefficient would be ___greater_____ than 1.0.

HIGH SCHOOL

What's the layer of material found at the innermost part of wood? a. Sapwood
b. Cork cambium
c. Vascular cambium
d. Heartwood

Answers

If you opened a tree and wanted to see what is in the middle, you would see that it is D. Heartwood. It is very coveted because it often used in creating artistic things or in making high quality furniture and wooden floors and there can only be a limited amount of heartwood per tree so getting it can be bad for the environment if you're not careful.
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