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Rufina [12.5K]
3 years ago
15

What do most sedimentary rocks form from?​

Biology
1 answer:
trapecia [35]3 years ago
3 0

Answer: Most sedimentary rocks come from the ground, grand canyons, and even valconoes.

Explanation: Sedimentary rocks are rock that have been squished together by other rocks. One sedimentary rock can be made up of 10 or more rocks!

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A chef fills a 40 mL container with 30 g of cooking oil. What is the density of the oil?
Nonamiya [84]

Answer:

So 1 ml=1 cm^3, so 40ml is 40 cm^3

D= m/v

density = 30/40

Density of oil is 0.75 g/cm^3 (which is verified as oil is less dense than water hence floats on it)

Explanation:

8 0
3 years ago
How are humans immune to infectious diseases after they have already contracted the disease previously? and How do vaccinations
Varvara68 [4.7K]

Answer:

Explanation:

Immunity to a disease is achieved through the presence of antibodies to that disease in a person's system. Antibodies are proteins produced by the body to neutralize or destroy toxins or disease-carrying organisms. Antibodies are disease-specific. Viruses make us sick by killing cells or disrupting cell function. Our bodies often respond with fever (heat inactivates many viruses), the secretion of a chemical called interferon (which blocks viruses from reproducing), or by marshaling the immune system's antibodies and other cells to target the invader. A vaccine works by training the immune system to recognize and combat pathogens, either viruses or bacteria. To do this, certain molecules from the pathogen must be introduced into the body to trigger an immune response. These molecules are called antigens, and they are present on all viruses and bacteria.  

6 0
3 years ago
A substantial body of research shows that which of the following are excellent choices for helping individuals better understand
Bad White [126]

Answer:

Option B, Pictographs

Explanation:

In a pictograph presentation, a symbol, image or color pattern in used for representing a numerical value.

This helps people with low numerical skills to understand the stats.

For example -

Let risk associated with any drug be represented by "*"

20 % risk will be represented as **

30 % risk will be represented as ***

and so on.

Thus, option B is correct

8 0
4 years ago
Which mechanism of harm presents the greatest immediate threat at hazmat incidents?
uysha [10]

Answer:

D.

Explanation:

it should be the energy release. I think that it’s this because, energy being released I think can cause death.

3 0
2 years ago
What was most likely not present in the creating of amino acids
Bumek [7]
Hydrogen  
I hope this helps you!
4 0
3 years ago
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