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forsale [732]
3 years ago
14

Describe one way that grazing animals, such as bison or cattle, help to maintain grassland ecosystems.

Chemistry
1 answer:
My name is Ann [436]3 years ago
5 0

Answer:

They fertilize the land and help with overgrowth.

Explanation:

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How many moles of gas are contained in a rigid, sealed, 5 L container, at 1 atm of pressure and 22 oc?
Ugo [173]
The ideal gas law is: PV=nRT
Pressure
Volume
n= moles
R= gas constant
Temperature in Kelvin
(Degrees in celsius +273)
n= PV/RT
(1.00atm)(5.00L)/(.08026)(295K)= .207mol of gas
7 0
3 years ago
ILL GIVE BRAINLIEST IF CORRECT!!! students who enjoy acting out plays likely think with what part of their brains?
tresset_1 [31]

Answer:

B

Explanation:

The front brain(cerebrum) is the part of the brain that controls important cognitive skills in humans, such as emotional expression, problem solving, memory, language, judgment, and sexual behaviors.

Here the students who enjoy acting out plays likely think with front brain. I guess so..

6 0
3 years ago
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Of these four liquids which is the most viscous?<br> a) h20<br> b) ccl4<br> c) c2h12o6<br> d) Hg
Tresset [83]
Answer is: d) Hg.
Mercury is a chemical element with the symbol Hg and atomic number 80. <span> Mercury is the only metallic element that is liquid at standard conditions for temperature and pressure.
</span>Absolute viscosity of mercury is 0,0015 Pa·s.
The viscosity<span> of a </span>fluid<span> is a measure of its </span>resistance<span> to gradual deformation by </span>shear stress<span> or </span><span>tensile stress</span>

7 0
3 years ago
32P has a half life of 14.0 days. If you order 60.0 grams of 32P and it took 46.7hrs from the time it was made to the time it wa
8090 [49]

Answer:

[A_t]=54.5\ g

Explanation:

Given that:

Half life = 14.0 days

t_{1/2}=\frac{\ln2}{k}

Where, k is rate constant

So,  

k=\frac{\ln2}{t_{1/2}}

k=\frac{\ln2}{14.0}\ days^{-1}

The rate constant, k = 0.04951 days⁻¹

Initial concentration [A₀] = 60.0 g

Time = 46.7 hrs

Considering, 1 hr = 0.041667 days

So, time = 1.9458 days

Using integrated rate law for first order kinetics as:

[A_t]=[A_0]e^{-kt}

Where,  

[A_t] is the concentration at time t

So,  

[A_t]=60.0\times e^{-0.04951\times 1.9458}\ g

[A_t]=54.5\ g

7 0
3 years ago
Use the Particle Theory to explain differences in rate of dissolving between a sugar cube and an equal amount of granulated suga
Zielflug [23.3K]

Answer:

Sugar dissolves faster in hot water than it does in cold water because hot water has more energy than cold water. When water is heated, the molecules gain energy and, thus, move faster. As they move faster, they come into contact with the sugar more often, causing it to dissolve faster.

8 0
2 years ago
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