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vodka [1.7K]
3 years ago
14

Which part of an organism is LEAST likely to form a fossil?

Chemistry
2 answers:
Dvinal [7]3 years ago
4 0

Answer:

\huge \fbox \pink {A}\huge \fbox \green {n}\huge \fbox \blue {s}\huge \fbox \red {w}\huge \fbox \purple {e}\huge \fbox \orange {r}

<u>A. Skin</u>

Explanation:

Skin unlike teeth, bones & shells is fragile & get decomposed easily under the soil.

erma4kov [3.2K]3 years ago
3 0

Answer:

um a I think because when you look at dinosaur you don't see their skin anymore just like the bones and teeth

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What variables are considered when forecasting weather
saveliy_v [14]
There are lots of variables.
1. relative humidity
2. dew point temperature
3. air temperature
4. wind speeds
5. vapor pressure
6. latitude and longitude
7. orrographic lift (surface type)

there are probably more, but hope this helped! :)
4 0
3 years ago
Study the image, which shows an air mass moving into a region.
DanielleElmas [232]

thunderstorms and heavy rain

Explanation:

The weather in a region with an incoming air mass made up of moist air is predominantly that of thunderstorms and heavy rain.

Moist air brings in rainfall and thunderstorms. They are peculiar and predominant in tropical regions of the world .

  • A moist air is an air mass that is moisture laden or full of water vapor.
  • They are usually formed where evaporation of water vapor from sea water is very high.
  • The evaporated water is warmer and lighter than the surrounding air.
  • By virtue of this, it moves inland and condenses to form massive rainfall accompanied by thunderstorm.

learn more:

Climate brainly.com/question/10856870

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5 0
3 years ago
Read 2 more answers
A sample is found to contain 1.29×10-11 g of salt. Express this quantity in picograms
xz_007 [3.2K]

Answer:12.9e-12g or in short 12.9pg

Explanation:as p=1e-12

4 0
3 years ago
Suppose that a laboratory analysis of white powder showed 42.59% Na, 12.02% C, and 44.99% oxygen. Would you report that the comp
butalik [34]

Answer:

The white powder is sodium carbonate

Explanation:

If you supposed an ammount of 100 grams of the white powder,  it means there are 42.59 grams of Na, 12.02 grams of C and 44.99 grams of O. If you divided every compound by its molar mass, you will know the moles of every compound. (According to moles=mass (grams)/ molar mass (grams/mole)

C=12.01 g/mole, Na=23 g/mole, O=16 g/mole

So:

C=12.02/12.01= 1.0 moles, Na=42.59/ 23= 1.85 moles, O= 44.99/16= 2.81 moles

Knowing this, we can stimated that the white powder has 1 mol of C and approximately 2 and 3 moles of N and O, respectively

Chemical formula for sodium carbonate is Na2CO3 and the formula for sodium oxalate is Na2C2O4. So the white powder is Na2CO3

8 0
3 years ago
What element has a mass number of 138 and protons equal to 57?
Murljashka [212]


Basic Information
Name:<span> Lanthanum </span>
Symbol:<span> La </span>
Atomic Number:<span> 57 </span>
Atomic Mass:<span> 138.9055 amu </span>
Melting Point:<span> 920.0 °C (1193.15 K, 1688.0 °F) </span>
Boiling Point:<span> 3469.0 °C (3742.15 K, 6276.2 °F) </span>
Number of Protons/Electrons:<span> 57 </span>
Number of Neutrons:<span> 82 </span>
Classification: Rare Earth 
Crystal Structure:<span> Hexagonal </span>
Density @ 293 K:<span> 6.7 g/cm</span>3 
Color:<span> white

</span>
6 0
3 years ago
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