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KonstantinChe [14]
3 years ago
11

Which of the following indicates a cockroach problem

Biology
2 answers:
iragen [17]3 years ago
8 0

I think it's D because cockroaches usually make nest and lay eggs there.

ValentinkaMS [17]3 years ago
6 0

Answer:

I think its C

Explanation:

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The countercurrent heat exchanger that prevents arterial blood from overheating the testes is the ________
Ilya [14]
The countercurrent heat exchanger that prevents arterial blood from overheating the testes is the pampiniform plexus of veins. The pampiniform plexus helps to regulate testicular temperature, allowing sperm maturation. It surrounds the testicular arteries and works as a countercurrent heat-exchanger system to cool the arterial blood before entering the testes. This is because the sperms can not develop if the testis is at body temperature.  
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3 years ago
Please help, due tomorrow!
aleksandrvk [35]

Answer:

Yes

Explanation:

The goat has adapted to its cold environment, therefore will get the trait of long hair. As the goat mates it will pass on its genes for the long hair trait and this will give the offspring the same trait.

4 0
3 years ago
Read 2 more answers
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
Which ordered pair is a solution to the following
MAXImum [283]

Answer:

D

Explanation:

2x+12=4y

10/2=4/2

(5,2)

3 0
3 years ago
The plants that form the basis of rain forests are _____.
Andreyy89
I choose to list two. The two that form the basis are evergreens and broadleaf trees.
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3 years ago
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