What happens when you touch cold ice with your warm hand? a. heat only transfers from the ice to your hand b. heat only transfers from your hand to the ice c. heat transfers from the ice to your hand and from your hand to the ice d. heat does not transfer between the ice and your hand

Answers

Answer 1
Answer: The answer is B. -heat only transfers from your hand to the ice
Answer 2
Answer:

B heat only transfers from your hand to ice




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Summarize the effects of shearing, compression, and tension on Earth's crust.
Is burning a chemical reaction or a physical change? Tick one box.chemical change                               physical changeAnd then, explain why you chose your answer.
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Which particle of the atom has no charge? A.nucleusB.electronC.neutronD.proton

An organism's _______ describes its genetic composition. An organism's _______ describes its appearance or observable characteristics.A.
species; heredity
B.
genotype; phenotype
C.
heredity; species
D.
phenotype; genotype

Answers

B. 
genotype; phenotype

Genetic variation determines inherited  differences between individuals . Our height or eye color are inherited from our parents, but our phenotype is also affected by environment such as the food we eat (diet), drugs we take, toxins surrounding us, climate, location, culture, physical accidents and lifestyle.

Answer: Option B

Explanation: Any organism can be defined by two factors one is its genotype and other one is its phenotype.

The genetic composition of the body of an organism can be said as its genotype. The genes are present inside the cell and determines the physical characters of an organism.

The phenotype can be defined as the physical appearance of the organism. Example: height, color of the organism.

Liver cells require a great deal of energy which cell organelles would you except to appear in large number as a result

Answers

Mitochondria are the powerhouses of the cell, so mitochondria is the answer

Final answer:

Liver cells, which require a high amount of energy, contain large numbers of mitochondria, the organelles responsible for energy production in the form of ATP.

Explanation:

The cell organelles that you would expect to appear in large numbers in liver cells, which require a great deal of energy, are mitochondria. Mitochondria, often referred to as the 'powerhouses of the cell, are responsible for producing a molecule called adenosine triphosphate (ATP), which is the main source of cellular energy. Therefore, cells that require a lot of energy, like liver cells, tend to have many mitochondria in order to meet their energy demands.

Learn more about mitochondria here:

brainly.com/question/31860066

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In a cup of hot chocolate, what is the solvent? What is the solute? What is the solution?

Answers

Solvent: The solvent would be the milk (or water, depending on what you used) 
Solute: Chocolate powder
Solution: The hot chocolate itself, since a solution is a homogeneous mixture, in which two or more substances are used

*Forgive me if I am wrong >////<

Hope I helped! <3 

Answer:

Solute : Chocolate

Solvent : Milk

Explanation:

Solute - Substance dissolved in the solvent.

Solvent - The substance in which the solute is dissolved.

Since the Chocolate is dissolved in milk, Chocolate is solute and milk is the solvent.

Imagine that there is a cup of milk and you add chocolate to make chocolate milk. Something you add to solvent is solute.

What is the name of the body part that passes messagesfrom the sensory neurons to the brain?
o Lungs
O Nerve Cells
o Brain
o Stimulus please help me thanks

Answers

The answer would be nerve cells. Hope that helps you!

One balloon was only partly filled when put on the plane. During the flight, the balloon volumeincreased from 7 L at 1.0 atm to 9 L. What was the cabin pressure on the airplane during the flight?
(Assume the balloon stretched very easily and the temperature was constant.)

Answers

Answer:

P₂ = 0.8 atm

Explanation:

Given data:

Initial pressure = 1 atm

Initial volume = 7 L

Final volume = 9 L

Final pressure = ?

Solution:

P₁V₁ = P₂V₂

P₁ = Initial pressure

V₁ = Initial volume

P₂ = Final pressure

V₂ = Final volume

Now we will put the vales in formula.

P₁V₁ = P₂V₂

P₂ = P₁V₁ /V₂

P₂ = 1 atm × 7 L / 9 L

P₂ = 7 atm. L / 9 L

P₂ = 0.8 atm

PLEASE HELP!!!A vacuum flask keeps its contents warmer or cooler than the surrounding environment for a length of
time. It consists of two flasks, one inside the other, that connect at the neck. The space between the two
flasks is completely empty of air.

Q-Why does the design of the vacuum flask minimize heat transfer by conduction?

A)- One flask is smaller than the other flask.
B)- One flask is more reflective than the other flask.
C)- There is no air between the two flasks.
D)- The two flasks do not touch each other, except at the neck.

Answers

Answer is: C) There is no air between the two flasks.

Heat in this example can transfer throw thermal conduction.

Because there are no mo molecules to transfer heat, there is no conduction.

Thermal conduction is the transfer of heat through physical contact. Thermal conduction is the transfer of heat by microscopic collisions of particles. Heat spontaneously flows from a hotter to a colder body.

The process of heat conduction depends on four basic factors: the temperature gradient, the cross section of the materials involved, their path length and the properties of those materials.

Because there are no mo molecules to transfer heat, there is no conduction.

C. Heat could easily travel through the molecules in the air and escape/enter the flask. Removing the air slows down the heat transfer.