What must occur before clouds can form?

Answers

Answer 1

Answer: Condensation must occur.

Answer 2

Answer: condensation of water vapor also the water vapor must lose heat energy

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Which of the following is a solution: pure water, fruit punch, cereal and milk in a bowl? Explain how you know.

Answers

Hi. Fruit Punch is a solution and i know this because in a Fruit Punch, you have to mix water, the fruit juice, sugar and many other substances. In pure water it is just water. In cereal and milk, those are two different foods, not a combined one, like Fruit punch. Hope that was not too confusing! ;)

Fruit punch is because it blends together evenly and cereal and milk in a bowl you can't mix together you could easily take the cereal out and for the fruit punch you cant

A rigid canister holds 50.0 L of helium gas at 32.0°C and 49.9 kPa. The gas is cooled until the pressure reaches 14.2 kPa. What is the Kelvin temperature of the helium?

Answers

Answer:-

86.794 K

Explanation:-

Initial temperature T 1 = 32 C + 273 = 305 K

Initial Pressure P 1 = 49.9 KPa

New Pressure P 2 = 14.2 KPa

The Volume remains same since it is rigid.

∴V 1 = V 2 = 50.0 L

Using the relation

P 1 V 1 / T1 = P 2 V 2 / T 2

New temperature T 2 = P 2 V 2 T 1 / ( P 1 V 1)

= 14.2 KPa x 50.0 L x 305 K / ( 49.9 KPa x 50.0 L)

= 86.794 K

How does your body respond differently the second time it is exposed to a pathogen than the first time it was exposed to the same pathogen?

Answers

after your first exposure to a pathogen, you have memory T cells that will remember the antigen of the pathogen son in the future if you would come in contact with the same pathogen your body will recognize it right away and be able to kill it much faster

Look around you to find an object in motion .describe the objects motion by discussing its position and direction of motion in relation to a refrences point . explain how you could determine the objects speed.

Answers

A bike. In the middle of the street, it is moving north when looking from the light pole's view. I can determine the object's speed by looking at the speedometer I see on the sidewalk that shows how fast a vehicle on the road is going.

How is weathering related to the geologic cycle

Answers

Weathering is the breaking down of rocks, soil and minerals as well as artificial materials through contact with the Earth's atmosphere, biota and waters.

How can quartzite be distinguished from quartz sandstone? A. The mineral compositions are different.

B. Quartzite is not granular, while sandstone is granular.

C. Quartz sandstone has undergone metamorphism, while quartzite has not.

D. A broken piece of quartzite will break through, not around, quartz sand grains.

Answers

D. A broken piece of quartzite will break through, not around, quartz sand grains.

Quartzite and quartz sandstone have the same chemical formula (SiO_2)

Quartzite is a metamorphic rock. Heat and pressure have compressed the sand into a strong network of interlocking quartz grains.

Quartzite is so tough that it breaks through the sand grains rather than around them as in sandstone.

Answer:

D. A broken piece of quartzite will break through, not around, quartz sand grains

Explanation:

Other Questions

Suppose the liquid water in ice cream did not have solutes dissolved in it. What effect do you think this would have on ice cream? (hint: Consider the temperature at which ice cream is kept.)

Can y'all give me some examples of physical changes

What is the correct formula for calcium chloride

In which of these situations would light slow down?A. from plastic to air B. from ice to water C. from a vacuum to air D. from glass to air