Calcium oxide (CaO) forms when an atom of calcium loses two electrons, giving it a +2 charge and an atom of oxygen picks up two electrons, giving it a –2 charge. What is calcium oxide?

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Answer 1
Answer: calcium oxide is a basic oxide because when metals reat with oxygen they form basic oxides

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Which of the following is not a function of smooth muscle tissue? forcing blood from the heart into the major arteries forcing urine out of the urinary tract moving food materials along the digestive tract elevating hairs on the arm altering the diameter of the respiratory passageways

Answers

Answer:

The correct answer is-forcing blood from the heart into the major arteries

Explanation:

Heart is not made up of smooth muscles rather it is mainly made up of a specialized type of muscle called cardiac muscle which helps in the contraction of heath that results in the forcing blood from the heart into the major arteries.

Cardiac muscle is straited muscle but smooth muscle is not straited muscle. These smooth muscles are mainly present in the organs which have hollow walls like urinary tract, digestive tract, blood vessels, etc.

Therefore forcing blood from the heart into the major arteries is not a function of smooth muscle tissue.

Units of dna that encode for specific characteristics is called

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I think it might be rna but I’m not too sure

Muscles make up more than how much of a person's body mass? A. 10%
B. 25%
C. 40%
D. 75%

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muscles make up more then 40% of a persons body mass, so the answer is C.

Answer:

c.

Explanation:

The main difference among the types of symbiotic relationships isa. how many species either benefit or are harmed.
b. how many species are eaten.
c. how many species are protected.
d. all of the above

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I'm pretty sure the answer is a. but anybody feel free to correct me :)
a. how many species either benefit or  are harmed...

What happens when something goes wrong with transcription and translation

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A mutation can occur sometimes. 

Question 12 (1 point)Which of these is a biotic factor that affects population size?
a
air
food
C
temperature
precipitation
Od

Answers

Answer:

The answer is food

Explanation:

It's the only biotic factor in the choices