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Ad libitum [116K]
3 years ago
7

Help me!!! Please!!!!!7th grade science

Biology
1 answer:
fenix001 [56]3 years ago
4 0

Answer:

Eukaryotic means "true nucleus" in Greek.

Have a nucleus.

Have membrane bound organelles.

Typically much larger than prokaryotic cells.

Multicellular, meaning more than one cell.

Explanation:

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Answer:

  • 9 The water levels are constant in estuaries

Explanation:

  • 10.  Black sands are found when tides are particularly higher.
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  • 12. The salinity of brackish water can vary with the tides.
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3 years ago
6. Challenge: Based on the weathering patterns, guess the rock type shown in each photo. (Can anyone confirm or deny these answe
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Answer:

A. = Shale

B = Granite

C = Sandstone

D = Limestone

Explanation:

Based on the weathering patterns, the rock type shown in each photo can be concluded to be as

A. = Shale: this is a form.of sedimentary rocks. It is formed from finely textured materials. Such as clay, quartz, and calcite minerals

B = Granite: this is derived from igneous rock. It has coarse texture features.

C = Sandstone: it is formed by a sand-sized grain of natural earth materials that form together

D = Limestone: it is also a form of sedimentary rock. It contains a large quantity of calcium carbonate it is formed from materials such as ancient corals and skeleton.

5 0
3 years ago
Describe the two origins of our earth's water​
VladimirAG [237]

Answer:

The new research suggests that Earth's water came from both rocky material, such as asteroids, and from the vast cloud of dust and gas remaining after the sun's formation, called the solar nebula.

Explanation:

6 0
3 years ago
List some things you can do to eliminate deforestation (cutting down forests)​
Alex

Answer:

1.Plant a tree.

2.Use less paper.

3.Recycle paper and cardboard.

4.Use recycled products.

5.Buy only sustainable wood products.

6.Don't buy products containing palm oil.

7.Reduce meat consumption.

8.Do not burn firewood excessively.

Explanation:

Hope this helps :)

7 0
3 years ago
Strong acids _____completely, therefore, causing ______change in pH.
ZanzabumX [31]

Answer:

Dissociate, a decrease in pH

Explanation:

Strong acids dissociate 100% in aqueous solution, and lower pH

4 0
2 years ago
Read 2 more answers
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