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Vilka [71]
3 years ago
15

What acid is found in our stomachs?

Biology
2 answers:
Len [333]3 years ago
6 0

Answer:

Hydrochloric acid

Explanation:

You are very welcome :)

sp2606 [1]3 years ago
5 0
Gastric Acid I believe is the answer
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What was the Cretaceous tertiary extinction attributed to what major events that triggered the extinction of dinosaurs
vfiekz [6]

Cretaceous extinction also known as Paleogene extinction was a period of time when suddenly around three quarter of the animal and plant species began to get extinct from the land. The event happened around 66 million years ago and is considered as the end of cretaceous era that lead to the beginning of Mesozoic era.

Reasons for the mass extinction:

  • Scientists think that a major asteroid or comet hit the surface of earth which deteriorated the earth’s environment, especially by making it difficult for plants to perform the process of photosysnthesis. This is called as Impact hypothesis and scientists think that it was the reason of extinction of so many species because they found debris of asteroid in the land.
  • There could also be some other reasons like climate changes,volcanic eruptions and changes in the sea level which made the environment unfavorable for the survival of living organisms.
  • One of the best known organism that is thought to extinct in cretaceous period was dinosaur.

Extinction of Dinosaurs:

As stated above the exact cause of dinosaur extinction can not be stated with confidence. This is because cretaceous period was the time when so many unfavorable circumstances took place like diseases,  geologic events ,climate change etc.

However, the most believed theory is that some Asteroid hit the surface of earth and turned the climate very very old. Therefore, those amazing creatures were not able to survive that climate.


Hope it help!


7 0
3 years ago
The Virginia Coastal Zone Management Program was approved by NOAA in 1986 and its goals include protecting coastal resources, ai
dedylja [7]

C.) is the correct answer

3 0
3 years ago
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Select all the correct answers. which two statements about composite materials are true? they’re made up of more than one substa
Dima020 [189]

Correct Statements are -

  • They’re made up of more than one substance.
  • They’re readily available in nature.
<h3>What are Composite Materials?</h3>
  • Composite materials are created by combining two or more substances with dissimilar properties.
  • Composite materials have distinct properties that distinguish them from their constituents, and the constituents can be easily distinguished within the composite materials because they do not blend together.
  • Some composite materials are abundant in nature. Wood, for example, is a composite material made up of cellulose and lignin.

To learn more about Matter from the given link

brainly.com/question/1738648

#SPJ4

3 0
2 years ago
The main reason that it's important to test only one variable at a time is so that A. quantitative data can be recorded. B. scie
fiasKO [112]
I think it's B cuz each variable does need to be viewed one at a time
6 0
3 years ago
The process by which evolution occurs is called
Stella [2.4K]

Answer: natural selection

3 0
3 years ago
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