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Lelu [443]
3 years ago
10

Which examples describe some uses for gemstones?

Biology
2 answers:
lorasvet [3.4K]3 years ago
7 0

Answer:

Drill Bits

Explanation:

Hope This Answer Was Helpful :)

quester [9]3 years ago
4 0

Answer: Gemstones of various minerals are highly prized for beauty, durability, and rarity. Some noncrystalline materials of organic origin. Examples are pearl, red coral, and amber also are classified as gemstones. Gemstones have attracted people since the ancient times, and have been used for jewelry.

Explanation:

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Gemiola [76]

Answer:

Its A . serve as a food source for other organisms .

Explanation:

<em>h</em><em>o</em><em>p</em><em>e</em><em> </em><em>i</em><em>t</em><em> </em><em>h</em><em>e</em><em>l</em><em>p</em><em>s</em><em> </em>

3 0
3 years ago
Read 2 more answers
Label the features of the stomach and nearby regions in this frontal section of a cadaver (anterior view)
Fantom [35]
1- Pyloric sphincter
2-Duodenum
3- Bile duct
4-Pancreatic duct
5-Esophagus
6-Lower esophageal sphincter
7-Fundus of stomach
8- Cardia
9-Body of stomach
10-Pyloric part

The <span>esophagus(5) connects to the stomach.</span>
<span> The food passes,from the pharynx, to the esophagus, to the stomach. This process is aided by peristaltic movements done by esophagus muscles.
This organ contains two sphincters:</span><span>the upper and the lower esophageal sphincter.
 
</span>The stomach is divided into four parts:
<span><span>1-The cardia (8) - this part is connected to  the esophagus and its where  the epithelium changes from stratified squamous to columnar.
In this region is the lower esophageal sphincter (6).

</span>2--The fundus(7)- It's formed by the upper curvature of the stomach.

3- the body(9)- is the main part; and the biggest

4-The pylorus/</span><span> Pyloric part (10) - is the lower region. This part is connected to the small intestine, the duodenum. In this region there is a </span>
strong ring of muscle called the (<span>1) Pyloric sphincter.


In the first part of the duodenum there is a connection with a duct that comes from the pancreas -4-</span>Pancreatic duct .
There is another duct that ends in the duodenum called- <span>Bile duct, that caries bile to digest fats.</span>
8 0
3 years ago
A plant may open and close its stomata to prevent excess water loss and maintain _____. adaptability homeostasis negative feedba
Harman [31]

The correct answer is the homeostasis.

A plant may close and open its stomata to prevent excess water loss and maintain homeostasis.

Homeostasis is termed as the tendency of organisms to maintain and automatic regulation of their internal environment to be in a stable condition.

We say that the plant is in stable condition when the fluid balance and body temperature are being kept in to a pre-set limits which include calcium ions, potassium, sodium and PH of extracellular fluid.

The natural resistance which changes the optimal condition brings about homeostasis.

8 0
3 years ago
Read 2 more answers
Which list gives the proper sequence of energy changes that occur in a hydroelectric plant?
ASHA 777 [7]

D

Explanation:

Flowing water has intrinsic kinetic energy that is harnessed to rotate the turbine. The turbine rotates hence gains mechanical energy because it is doing work. This work is used to rotate a dynamo of a generator which generates electricity. The mechanical energy is thus converted into electric energy by the dynamo. The electric energy is then carried by the power lines to the users.

7 0
3 years ago
What type of microscope bends light and uses multiple lenses to magnify a cell?
vaieri [72.5K]

Answer

Compound microscope

5 0
3 years ago
Read 2 more answers
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