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larisa86 [58]
3 years ago
7

HELP NEEDED

Physics
1 answer:
MrMuchimi3 years ago
8 0

Answer:

D the development of an ozone layer

Explanation:

the rest don't relate to the atmosphere

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What is latent heat? Group of answer choices Energy released when water evaporates. Energy hidden in water vapor in the air. Ene
Andrews [41]

Answer:

Energy absorbed or hidden when water evaporates

Explanation:

The heat that is required to make a phase change is known as latent heat.

A phase change occurs when matter changes state. For example from solid to liquid, from liquid to gas, among others.

When changing from liquid to gas (for example when water evaporates), the heat necessary for this to happen is called latent heat of vaporization. The word latent means hidden, because a change in temperature is not perceived during the phase change, even when heat is being added, thus it is said that the heat is hidden or latent.

So the answer is:

  • Energy absorbed or hidden when water evaporates.

*Another type of latent heat is the latent heat of fusion, which is when a solid becomes liquid.

7 0
4 years ago
Any characteristic of matter that you can observe is a _________. <br><br><br><br><br> Plz help.
Stells [14]

Answer:

any characteristic of matter that can be observed without changing the identity of the material. Scientists call a characteristic of matter that you can detect with your senses a Physical property. color, shape, smell, taste, mass, volume, and density.

Explanation:

7 0
3 years ago
Read 2 more answers
White light is an _____________ mixture of all the colors.<br> a) observable b) unequal c) equal
Musya8 [376]

Answer:

unequal

Explanation:

White light is a combination of all colors in the color spectrum.

6 0
3 years ago
Read 2 more answers
You are playing ice hockey with friends on a frozen pond. The hockey puck (mass 0.2 kg) is sliding on the ice at 10 m/s when it
chubhunter [2.5K]

Answer:

The mass of the hailstone is  m_2 = 0.05

Explanation:

From the question we are told that

    The mass of the hockey puck is m_1  = 0.2 \ kg

     The initial speed of the puck is u_1 =  10 \ m/s

      The final speed of the puck is  v_f  =  8 \ m/s

According to the principles of linear momentum

      m_1u_1 + m_2u_2 = (m_1 + m_2)v_f

At initial the velocity of the hailstone was zero so

       u_2 =  0 \ m/s

So  

     m_1 u_1 =  (m_1 + m_2 )v_f

substituting values

        0.2 *  10 =  (0.2 + m_2 )* 8

=>     2 =  (0.2 + m_2 )* 8

=>     0.25 = 0.2 + m_2

=>    m_2 = 0.05

6 0
3 years ago
According to Ainsworth's studies on infant attachment, if Cassie leaves her infant Dante in the
iragen [17]

Answer:

the answer is dante is in securely attached, c.

Explanation:

An infant depends on his/her caregiver for emotional development, love, and protection. his reaction indicates an insecurity. like the caregiver had left him alone for long periods, creating a feeling of abandonment. Not sure if caregiver will return to give infant the feeling of security.

6 0
3 years ago
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