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3 years ago

Why are there so many variations of human skin color

Biology

2 answers:

riadik2000 [5.3K]3 years ago

6 0

Answer:

Because if you believe in God and read the bible it would tell you a lot why there is many skin color.

Explanation:

ArbitrLikvidat [17]3 years ago

3 0

Answer:

we all just some eggs fr

Explanation:

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4 years ago

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3 years ago

101. Du

n200080 [17]

Answer:

$0.972 J/g^{\circ}C$

Explanation:

When the sample of hot metal is placed inside the water, the metal gives off heat to the water: the temperature of the metal decreases while the temperature of the water increases, until the two reach an equilibrium temperature.

The heat given off by the metal is equal (in magnitude) to the heat absorbed by the water, so we can write:

$Q_m=Q_w\\m_m C_m (T_m-T_e) = m_w C_w (T_e-T_w)$

where:

$m_m=26.0 g$ is the mass of the metal

$C_m$ is the specific heat of the metal

$T_m=82.25^{\circ}C$ is the initial temperature of the metal

$T_e=28.34^{\circ}C$ is the equilibrium temperature

$m_w=75.0 g$ is the mass of the water

$C_w=4.186 J/g^{\circ}C$ is the specific heat of water

$T_w=24.00^{\circ}C$ is the initial temperature of the water

And solving for $C_m$ , we find the specific heat of the metal:

$C_m=\frac{m_w C_w (T_e-T_w)}{m_m(T_m-T_e)}=\frac{(75.0)(4.186)(28.34-24.00)}{(26.0)(82.25-28.34)}=0.972 J/g^{\circ}C$

3 0

3 years ago