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sergij07 [2.7K]
3 years ago
9

Give me some topics to write science journal​

Biology
1 answer:
xxTIMURxx [149]3 years ago
5 0

Answer:

projects

Explanation:

volcanoes

make a ecosystem

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Although the bryozoans and brachiopods each possess a characteristic lophophore, recent molecular evidence suggests the two phyl
Blizzard [7]

Answer:

"Brachiopoda"

Drosal and ventral valves; Individuals resemble clams; May have no anus

"Bryozoa"

Possesses a chitinous zoecium; Anus opening near mouth; Colonies resemble moss

6 0
3 years ago
A newly discovered solar system is found 300 billion kilometers from the sun. How many AU does this represent? Show your work.
Aleksandr-060686 [28]

1 kilometer = 6.68 × 10^{-9} (<<<AU is in scientific notation here)

To convert 300 billion kilometer (3,000,000,000 km)  into AU you must multiply the kilometer by the equivalent of 1 km in AU (6.68 × 10^{-9})

3,000,000,000 × (6.68 × 10^{-9}) =  20.04 AU

Hope this helped!

4 0
3 years ago
Which air mass often originates as a different air mass in siberia and is subsequently altered?
podryga [215]
It is a cold Artic air mass over Siberia. Air masses are altered because it doesn't stay in one place and changes as it moves due to the temperature of environment that can be caused by moisture. The cold Artic Mass from Siberia will go to the North Pole, Canada then moves further to the South area.
3 0
3 years ago
Cells that are genetically identical will express the same level of each gene within its genome. (T/F) Cells that are geneticall
aniked [119]

Answer:

false

Explanation:

this goes for identical twins: identical twins can have the same level of gene within the genome but they are genetically not identical.

this is due to different stages of cell division that occur during embryo development.

3 0
3 years ago
How much dna is in a typical human cell ?
soldi70 [24.7K]
A human cell contains about 6 pg of DNA.
Or you can say there are 46 pairs or 92 single strands of DNA in each diploid human cell.
3 0
3 years ago
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