BIOLOGY HIGH SCHOOL

Which formula for sulfuric acid is written correctly to show one sulfur atom, two hydrogen atoms, and four oxygen atoms?

Answers

Answer 1
Answer:

Answer:

Formula for sulfuric acid is H2SO4

Explanation:

Sulfuric acid is highly concentrated acid. It is known as king of chemicals. It is used in making of fertilizers, paints, dyes, detergents, etc.

H2SO4 is made in laboratory in different steps from burning of sulfur and oxygen. The sulfur is burned with air and oxygen is combined with it to form sulfur dioxide ( SO2).

Then SO2 is again mixed with oxygen in the presence of catalyst vanadium. It forms sulfur trioxide ( SO3). The sulfur trioxide is allowed to absorbed in water. The mixing of SO3 and H2O forms the sulfuric acid ( H2SO4).

It is highly concentrated and its dilution is decreased to some extent for selling.

Answer 2
Answer: H2SO4...............

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When a Doctor practices Paediatrics, what sort of patients does he have ?

Answers

Pediatricians specialize in treatment of the young, from newborns until maybe 12 years or so.
The patients are children.

The organisms that breakdown organic wastes and remains of the dead into simpler substances that can be used by other organisms are known as

Answers

they are known as decomposers

What is cryptograms​

Answers

Answer:

A cryptogram is a type of puzzle that consists of a short piece of encrypted text. Generally the cipher used to encrypt the text is simple enough that the cryptogram can be solved by hand. Substitution ciphers where each letter is replaced by a different letter or number are frequently used.

Which of the following is an example of a uniaxial joint? A. the saddle joint between the thumb and trapezium of the wrist
B. the hinge joint of the elbow
C. the joint between a metacarpal and the proximal phalanx
D. the ball-and-socket joint between the scapula and humerus
E. the plane joints between the carpal bones (wrist)

Answers

Answer:

B . The hinge joint of the elbow.

Explanation:

Uniaxial joint allows for motion in a single phase.

Final answer:

The uniaxial joint example from the given options is the joint of the elbow. A uniaxial joint allows for motion in one plane or axis only, like the  joint of the elbow which allows primarily for flexion and extension.

Explanation:

The correct answer is option B: the joint of the elbow. A uniaxial joint is a type of synovial joint that allows for motion in one plane or axis only. Examples of uniaxial joints include joints, like the elbow or knee, and pivot joints, like the proximal radioulnar joint in the forearm. The elbow joint specifically is a joint because it allows movement primarily in one direction, that is, bending (flexion) or straightening (extension).

Learn more about Uniaxial Joint here:

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Darwin observed how farmers and breeders produced many kinds of farm animals and plants. These plants and animals had traits that were desired by the farmers and breeders. He also noticed how the study of similar body structures and vestigial organs could add to the evidence of evolution. After performing several breeding experiments, he came to certain conclusions and formulated some theories. His theory of evolution and natural selection is the most accepted one. What is the reason behind the acceptance of Darwin's theory?

Answers

Natural selection was actually accepted by a lot of people who knew what Darwin was talking about (e.g. Scientists and biologists..and other scientist relative to science were called).
 Darwin  was the first to realize the mechanisms that fundamentally drive this change: variation and natural selection. His theory caused controversy among his contemporaries but were  gradually accepted. Darwin's theory earned general scientific acceptance after he published his "On the Origin of Species" in 1859.

The answer is simply: A the other person is too confusing...

Which structures are found in animal cells?A.
lysosome

B.
cell wall

C.
cilia

D.
chloroplast

Answers

Structures which can be found in animal cells are A. lysosomes and C. cilia.
Cell walls and chloroplasts are characteristics of plant cells, and cannot be found in animal cells.
Lysosomes in animals have a similar function to that of vacuoles in plants - they get rid of unnecessary materials in the body. Cilia are an important characteristic of eukaryotic cells, which are animal cells, and their function is to move fluids and materials. 
A.) Lysosomes are present in animal cells

Hope this helps!
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