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nignag [31]
3 years ago
7

What is a composite material used to make strong structures like bridges

Biology
2 answers:
Nimfa-mama [501]3 years ago
6 0
<span>Composite materials, such as Cement, concrete, and steel are  used to make strong structures like bridges.</span>
galina1969 [7]3 years ago
5 0
Cement, concrete, and steel are all composite materials used to make strong structures like bridges.
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State three reasons for preventing food spoilage​
bogdanovich [222]

Answer:

1) Refrigerate or freeze

If you freeze or refrigerate the food, the bacteria or whatever organism growth will slow down in the food by a Greta amount due to the coldness. Refrigerate might be a temporary food soteage for like a week or 2/ month max. While freezing will just freeeze the bacteria and mold on the food which can be stored up to 3- 12+ months even. But then again it will be most likely flavorless by the end or have no nutrients value. You can stores mik in the freezer for a while but its not recommended to taste, same for other thing syou usually see in the fridge, eggs/ vegetables/fruits/ milks/ yogurts/ etc.

2) No moisture, no water of any kind (drying in the sun or salted)

So every living thing we know of needs water. Including bacteria and mold. Without water, theres no place to thrive. No place to thrive means no bacteria and food is safe for a good amount of time. Dried foods can last a really long time, sure some types are really unpleasant but its edible. But you can’t techincally “dry” meat since it will be A whole nest for flies before it even reaches the halfway mark. You can slat it which will lessen he time but still really efficient. Salt absorbs water and breaks down any type of Stuff. Its like a mini acid.

3) Canned good and no air access (Pressurized/ controlled container)

This is done by putting all your favortie food in a metal container. With no air access, the bacteria or mold in the food already in can’t escape and new ones can’t get in. THe can then is boiled to a certain tempature where then the bacteria dies. Now the food can even be perishable stuff like meat (most common fishes), fruits and even a nice can of liquid soup. Nothin g can get in. Nothing can get out but nothing CAN get out becuase eveythign is dead. Canned food can last REALLY LONG, good for long term expeditions without a fire or food.

6 0
3 years ago
Read 2 more answers
When sweat cools on the skin, removing heat and cooling the body, what process is occurring? A. Parasympathetic nerve conduction
zavuch27 [327]

Answer:

Homeostasis

Explanation:

Temperature homeostasis

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2 years ago
Does anyone know what cells are in the respiratory system
tangare [24]

Answer:

The respiratory epithelium in trachea and bronchi is pseudostratified and primarily consists of three main cell types – cilia cells, goblet cells, and basal cells. The ciliated cells are located across the apical surface and facilitate the movement of mucus across the airway tract.

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3 years ago
Which statement concerning blood pressure is not correct?
olga nikolaevna [1]
The answe is ......



C
8 0
3 years ago
Why does external fertilization typically occur much more often in aquatic animals than in terrestrial animals? _____ Select one
mestny [16]

Answer:

The correct answer is option c. "The gametes must be kept wet to avoid desiccation".

Explanation:

External fertilization is an adaption were species reproduce sexually, but there is no direct contact between the female and the male species, because the egg is fertilized outside the female's body. This adaptation occurs more often in aquatic animals because the gametes must be kept wet to avoid desiccation and allow fertilization, which occurs much more easily on aquatic environments.

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