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asambeis [7]
3 years ago
5

Changing states of water requires energy, where does that energy come from?

Biology
2 answers:
adell [148]3 years ago
4 0

Answer:different sources such as oil, coal, wind, the sun, water, natural gas and even manure.

Explanation:

I am Lyosha [343]3 years ago
3 0

Answer:

Energy comes from different sources such as oil, coal the wind and the sun.

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help me plz Which statement best explains why cells were observed in more detail using a compound microscope than a simple micro
Gnoma [55]

Answer:

Which statement best explains why cells were observed in more detail using a compound microscope than a simple microscope?

A compound microscope has greater magnification ability than a simple microscope.

Explanation:

Hope this <em><u>Helped!</u></em> :D

8 0
3 years ago
Many bacteria exist in biofilms in nature. Based on the information in the passage and in the chapter, is it possible to create
steposvetlana [31]

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The correct option is B

Explanation:

5 0
3 years ago
The fetal skeletal is made of cartilage and eventually turns to bone in a process called ossification. Given what you know about
RoseWind [281]

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Explanation:

Based on what is known about the fetal skeleton and the ossification process it can be said that this occurs due to babies having more of the osteoblasts bone cells. These cell's main function is to lay down new bone material, this therefore creates a thicker harder bone which allows for proper support so that the body can continue growing and become stronger overall.

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3 years ago
Is model 1 or 2 more complex? List at least 3 reasons.
kirill [66]
Model two because it includes more organelles
8 0
3 years ago
What are the number of protons, neutrons, and electrons for the −2 anion from the 17O isotope of oxygen? (The atomic number of o
mojhsa [17]

The correct answer is d. 8p+; 9n; 10e−

Oxygen exists in three isotopes ¹⁶O, ¹⁷O and ¹⁸O. The atomic number of oxygen is 8. It means its nuclei has 8 protons. The given is oxide⁻² anion. This means it has gained 2 electrons. Thus, oxide anion have 8 protons and 10 (8+2) electrons. The number of neutrons depends on the isotope, in this question mass number is given¹⁷O. The mass number is the sum of the protons and neutrons in the nucleus. Hence, number of neutrons oxide anion will be 17-8 = 9 neutrons.  

       

3 0
3 years ago
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