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rewona [7]
3 years ago
8

How was bacteria first discovered?

Biology
1 answer:
matrenka [14]3 years ago
3 0

Bacteria were first observed by the Dutch microscopist Antonie van Leeuwenhoek in 1676

<u>-TheUnknownScientist</u>

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What are the disadvantages of Human made materials?​
guapka [62]
Does not absorb moistures: Man-made fibres do not absorb sweat, trapping heat in our body. Rough feel: Man-made fibres may give the rough feel, making it unsuitable for pyjamas, underwear, etc. Some individuals are often prone to skin allergy, because of the dermatological action of Man-made fibres.
5 0
3 years ago
Listed in the Item Bank are some key terms and expressions associated with the categories seen in the Venn Diagram. To find out
kati45 [8]

Answer:

  • law of superposition - Relative Dating
  • important method for geologists - Absolute Dating, Relative Dating
  • places historical events in their correct order - Relative Dating
  • establishes how many years ago a given event took place - Absolute Dating
  • radioactive decayused on rock strata - Absolute Dating

Explanation:

Absolute dating is an important process used by geologists. This process allows geoologists to determine the timing of a given factor in the environment. In other words, absolute dating allows a numerical age to be estimated for that factor or the age interval between factors, but without putting the factors' formation events in order. It is generally used to date chemical and physical elements present in artifacts and rocks.

Relative dating is also an important process for geologists, but it does provide a relative order of past events and does not provide a numerical age, like absolute dating. It is generally used to date rocks, surface deposits and fossils, often using the law of superposition as a basis.

3 0
3 years ago
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just olya [345]

Answer:

the growth rate should be 20

Explanation:

6 0
3 years ago
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Which food chain best models a glow of energy in this ecosystem?
leva [86]

Answer:

B

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Energy always flows from the sun, to the producer, to the primary consumer, to the secondary consumer, to the tertiary consumer, and so on. Algae has to come after the sun, because it's a producer.

5 0
3 years ago
What would most likely happen if the parietal cells in your stomach stopped functioning?
salantis [7]

If the parietal cells in your stomach stop functioning The pH of the abdomen will rise.

Parietal cells, called oxyntic cells, are stomach epithelial cells that release intrinsic factors and hydrochloric acid (HCl). These cells are present in the stomach's gastric glands, which are situated in the fundus and body regions. Gastric acid secretion, which helps with food digestion, mineral absorption, and bacterial control, is controlled by parietal cells.

In the center of the glands in the fundus-body region of the stomach are the parietal cells. They release the intrinsic factor, a protein that binds vitamin B12, and gastric acid, or hydrochloric acid (about 0.16 M, pH 0.8). The parietal cells that are destroyed are unable to create enough stomach acid. As a result, the pH of the stomach rises, food digestion is hampered, and the risk of gastroenteritis increases.

To know more about parietal cells refer to:  brainly.com/question/26966393

#SPJ4

4 0
2 years ago
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