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EleoNora [17]
2 years ago
8

For forensics:What are the 4 main types of sand? How are they different?​

Biology
1 answer:
soldier1979 [14.2K]2 years ago
8 0

Answer:

molding sand, washed sand, beach sand, mason sand, and silica sand

Explanation:

they all have different features and are better for certain things, for example some of silica sands features are

Molecular Weight: 60.084 g/mol

Exact Mass: 59.966756 g/mol

Boiling Point: 4046°F at 760 mm Hg

Melting Point: 3110°F

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Which of the following statements is true about viruses?
Mnenie [13.5K]
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3 years ago
Choose the sentence that best matches the context of the word reticent as it is used in the following example.
inessss [21]

The correct answer is E. He will not readily reveal his feelings.

Reticent can be defined as a person who does not like to talk.

Reticent has different meaning. For example, It can be termed to somebody who is formal and restrained, Somebody who is not able to draw attention to oneself, and also reticent can also refer to a person who refers to seclusion to others.

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3 years ago
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On your Spring Break in Mexico, you take a break to count the starfish in a tidal pool. You notice that there is a rare recessiv
lana [24]

Answer:

0.04 for 6 legs starfish and 0.96 for 5 legs starfish.

Explanation:

The allele frequency for the 6 legs starfish is 0.04 whereas, the allele frequency for the 5 legs starfish is 0.96 because there is only one 6 legs starfish in the given population as compared to 5 legs starfish. The low population of 6 legs starfish is due to the presence of recessive allele while on the other hand, higher population of 5 legs starfish is due to the presence of dominant allele. The allele frequencies for both population is done by dividing the allele of interest by total number of alleles present in the population.

5 0
3 years ago
Which protozoan is associated with the ability to cause severe dysentery?
STatiana [176]

Answer:

<em>Entamoeba histolytica</em>

Explanation:

<em>Entamoeba histolytica </em>is the causative agent of amebiasis (amebic dysentery). The pathogen enters the human body through consumption of contaminated water or food and enters the small and large intestines. <em>E. histolytica</em> targets the epithelium of large intestine and creates ulcers in it. <em>E. histolytica </em>enter the mucosa and submucosa of the intestine through these ulcers and leads to severe dysentery, that is amoebic dysentery.

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An intestinal hormone that stimulates the release of insulin from the pancreatic islet cells is?
slava [35]

Secretin is a hormone produced in the intestines that promote the release of insulin from pancreatic islet cells.

Discussion about secretin:

  • When fatty acids and acidic chyme are present, secretin is released. It performs a number of functions by attaching to secretin receptors, the majority of which are related to digestion and acid neutralization.
  • In its principal function, secretin tells the pancreas to release bicarbonate ions into the pancreatic juice, raising the pH to between 8 and 8.3 in order to neutralize the acidic chyme. The pancreatic juice's digesting enzymes may function at their best as a result, safeguarding the duodenum's lining.
  • Additionally, secretin controls the pyloric sphincter's tightness, gastrin release, HCl synthesis, and small intestine motility.

As a result, secretin also encourages the pancreas to produce more insulin in response to ingesting glucose.

Learn more about secretin here:

brainly.com/question/9225171

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