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kvasek [131]
3 years ago
12

You want to place a piece of glass tubing into a rubber stopper after the tubing has been fire polished and cooled. This is best

done by
Biology
2 answers:
ddd [48]3 years ago
6 0

putting it into cold water

MrRa [10]3 years ago
4 0

Cooling the glass tube and dropping it into cold water.

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Which best describes reproduction​
krok68 [10]

the intercourse of a human or animal to make babies

6 0
3 years ago
Which of the following describes the role of photosynthesis in the carbon cycle?
Daniel [21]

Answer:

The answer would be E

Explanation:

The transfer of carbon from the atmosphere to the biosphere is the role of photosynthesis in the carbon cycle.

3 0
3 years ago
The image shows rock strata from three different regions on Earth. Identify all the layers that contain an index fossil
FrozenT [24]

The correct answer is: Layer 1, layer 2, and layer 4 in all three regions.

The index fossils are fossils that are commonly used for identifying a geological period of time, and these fossils are also very wide spread, as well as having a rapid evolutionary trends.

By this picture, we can easily see that even though we have rock strata from different regions, the same layers contain the same fossil, and it is a fossil that also is rapidly evolving so has a minor change in each layer.

7 0
3 years ago
Describe the properties of carbon that lead to wide variation in organic compounds
Novosadov [1.4K]

Answer:

Describe the properties of carbon that lead to wide variation in organic compounds?

Carbon is able to to have wide variation in organic compounds as a result of it allotropic property as it is the only element because of the ability to form four types of bonds.

Explanation:

3 0
4 years ago
What major organelle are prokaryotes missing that eukaryotes have?
djyliett [7]

Answer:

Nucleus

Explanation:

Prokaryotes are the organism that came earlier than eukaryotes on this earth. These prokaryotes do not have a nucleus and other membrane-bound organelles like chloroplast, mitochondria, Golgi apparatus, endoplasmic reticulum, etc.  

So as prokaryotes lack membrane-bound organelle their genetic material is not enclosed in the nucleus therefore their genetic material remains in the cytoplasm of the cell while eukaryotes have membrane-bound nucleus in which their genetic material are present.  

So the nucleus is the major organelle that prokaryotes are missing that eukaryotes have.

4 0
4 years ago
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