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aliina [53]
3 years ago
10

In which biome are you likely to find an organism that has a white coat in winter and a light brown coat in summer? A. desert B.

coniferous forest C. tropical rainforest D. savanna
Chemistry
2 answers:
klasskru [66]3 years ago
8 0
The answer would be B. coniferous forest, because it experiences cold winter with snow and summer.
TiliK225 [7]3 years ago
8 0

Answer: B. Coniferous forests

Explanation:

The coniferous forests are found in regions of Siberia and Canada. These forests exhibit climatic conditions which range from extremely cold winters, mild to extremely hot summers. Thus the living beings in these forests exhibit adaptations. The organisms which are in brown coat acquire a trait of white coat in winters due to adaptation. It helps the organism to remain insulated and mimic the color of the snow so that the organism remain hidden from the predators.

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How many miles can a commercial jetliner flying at 253 meters per second travel in 6.0 hours?
omeli [17]
The Jetliner will travel a total of 1518 meters if flying for 6 hours.
6 0
3 years ago
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How many sodium ions are in 1.4 kg of sodium chloride, NaCl?
Whitepunk [10]

Answer:

1.44 x 10²⁵ ions of Na⁺

Explanation:

Given parameters:

Mass of NaCl  = 1.4kg  = 1400g

Unknown:

Number of ions of sodium  = ?

Solution:

The compound NaCl in ionic form can be written as;

      NaCl →  Na⁺ + Cl⁻

In 1 mole of NaCl we have 1 mole of sodium ions

 Now, let us find the number of moles in NaCl;

  Number of moles  = \frac{mass}{molar mass}  

    Molar mass of NaCl  = 23 + 35.5 = 58.5g/mol

Number of moles  =  \frac{1400}{58.5}     = 23.93mol

 So;

   Since 1 mole of NaCl gives 1 mole of Na⁺  

    In 23.93 mole of NaCl will give 23.93 mole of Na⁺

1 mole of a substance  = 6.02 x 10²³ ions of a substance

  23.93 mole of a substance  =  6.02 x 10²³ x  23.93

                                                   = 1.44 x 10²⁵ ions of Na⁺

7 0
3 years ago
A student has a mass of 90 kg what would his weight be on mars if the acceleration due to gravity is 3.7 ?
Mumz [18]

Answer:

333N

Explanation:

Once we have the object's mass, we can find the weight by multiplying it by the gravitational force, which it is subject to. Being that Mars has a gravitational force of 3.7m/s2, we multiply the object's mass by this quantity to calculate an object's weight on mars.

So an object or person on Mars would weigh 37.83% its weight on earth. Therefore, a person would be much lighter on mars. Conversely, a person is 62.17% heavier on earth than on Mars.

3 0
3 years ago
Question 24 (1 point)
aleksley [76]

Answer:

Explanation:

Idk

4 0
3 years ago
 
Mashutka [201]

sodium cloride is salt created from sodium Na and chlorine Ci

Na-sodium Ca- calcium

Ci-chlorine FL- flerovium

Ca- calcium Br-bromine

H- hydrogen He-helium

6 0
3 years ago
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