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Norma-Jean [14]
3 years ago
15

Which characteristics help enable plants to survive on land ?

Chemistry
1 answer:
Nesterboy [21]3 years ago
7 0
N adaptation plants have to survive on land is their vascular tissue. This allows them to absorb food, water, and nutrients through their roots. Photosynthesis also allows them to receive energy via natural sunlight.
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Can someone please help me
Margarita [4]

I think it is the first choice

Hope that helped!

5 0
3 years ago
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What does it mean to say that the average daytime relative humidity of a particular city is 31 percent?
Irina-Kira [14]
This means that the air in that city has less than a third of water vapor it could contain under the same circumstances. Relative humidity is the ratio of water vapor that the air contains to the maximum amount it could carry at the same temperature. When the humidity is high the water vapor in the air is a lot and vice versa.
5 0
3 years ago
Is a substance pure or a ____________?
Nostrana [21]

Answer:

Pure substance is which it consists only one type of Atom , molecule , or compound....

Explanation:

HOPE IT HELP MARK AS BRAINLIST

6 0
4 years ago
If the following elements were to form ions, they would attain the same number of electrons as which noble gas? As , Be , O , S
Verdich [7]
<h3><u>Answer;</u></h3>

As, & Sr --------[Kr]

Be ------------------- [He]

O, & Mg ----------[Ne]

S, & Ca -------------[Ar]

<h3><u>Explanation</u></h3>
  • <u>The Be+ ion has 2 electrons, just like He. The ions Mg2+ and O2− each has 10 electrons like Ne. </u>
  • <u>The S2− and Ca2+ each has 18 electrons like Ar. The ions As3− and Sr+ each have 36 electrons like Kr.</u>
  • <u>Atoms of elements lose or gain electrons to attain a stable configuration which is equivalent to the configuration of noble gases.</u>
  • When atoms lose or gain electrons they form ions, which are either positively charged or negatively charged. When atoms lose electrons they form positively charged ions while if they gain electrons the form negatively charged ions

4 0
4 years ago
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How many grams of water vapor (H2O) are in a 10.2-liter sample at 0.98 atmospheres and 26°C?
diamong [38]
Hey there! 

<span>Use the equation of Clapeyron:
</span>
T in kelvin :

26 + 273.15 => 299.15 K

R = 0.082

V = 10.2 L

P = 0.98 atm

number of moles :

P *V = n * R * T

0.98 * 10.2 =  n * 0.082 * 299.15

9.996 = n * 24.5303

n = 9.996 / 24.5303

n = 0.4074 moles

Therefore:

Molar mass H2O = 18.01 g/mol

1 mole H2O ------------- 18.01 g
0.4074  moles ----------- m

m = 0.4074 * 18.01 / 1

m = 7.339 g of H2O
5 0
4 years ago
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