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laiz [17]
3 years ago
10

PLZ HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!! 20 pts!!!!!!!!!!!!!!!!!!

Biology
2 answers:
LenKa [72]3 years ago
8 0
Are you thinking of the word landslide?
Bad White [126]3 years ago
5 0
I'm not quite sure on this but is it a rock avalanche.
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All the nerve bundles of the body are routed through the backbone and are called the spinal :
Mrrafil [7]
The answer is a spinal cord
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3 years ago
4. What is the mass of N2H4 gas in a 350.0 mL container at 50.0 °C, if the pressure of the gas is
vovangra [49]

Answer:

0.36g

Explanation:

Given parameters and conversion to standard unit

 To solve this problem we must assume ideality

Volume of N₂H₄  =  350mL  = 0.35dm³

Temperature of container  = 50°C  = 50 + 273  = 323K

Pressure  = 885torr;

               760torr  = 1atm

               885torr  = \frac{760}{885}   = 0.86atm

Unknown:

Mass of the compound  = ?

Solution:

The mass of the compound can be derived using the expression below;

         Mass = number of moles x molar mass

molar mass of N₂H₄ = 2(14) + 4(1)  = 32g/mol

To find the number of moles;

       PV  = nRT

          n  = \frac{PV}{RT}

P is the pressure

V is the volume

R is the gas constant = 0.082atmdm³mol⁻¹K⁻¹

T is the temperature

         n  = \frac{0.86 x 0.35}{0.082 x 323}   = 0.01mole

So,

    Mass  = 0.01 x 32  = 0.36g

5 0
2 years ago
19) Define the following terms: -<br>(1)<br>Species<br>(ii)<br>Binomial nomenclature:​
inna [77]

Answer:

A biological species is a group of organisms that can reproduce with one another in nature and produce fertile offspring. ... The term species can also be defined as the most basic category in the system of taxonomy.

binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts

4 0
3 years ago
Explain the relationship between limiting factors and population size​
allsm [11]

Limiting factors, or things in the environment that can lower the population growth rate, include low food supply and lack of space. When organisms face limiting factors, they show logistic type of growth (S-curve).

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3 years ago
A species is represented by individuals that form a population:________.
Setler [38]

AnsweR

D.

Explanation:

5 0
2 years ago
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