PHYSICS MIDDLE SCHOOL

Imagine that a brown horse and a white horse cross to produce offspring whose coat is made up of some brown hair and some white hairs. Which pattern of dominance is this an example of this

Answers

Answer 1
Answer:

Answer:

Codominace

Explanation:

Codominance simply refers to a situation whereby there is an equal genetic effect of two parents on their offspring. It is a situation whereby neither of the alleles (i.e. a variant or type of gene) of the two parents can dominate, mask or prevent the expression of the other. Consequently, this will result on the equal expression of the two alleles for trait of the two parents.

Using the human example, there is a codominance when there is the ABO blood group which permits both alleles A and B to be expressed. As a result, if alleles A is inherited by a child from his father and he inherited allele B from his mother, it will result in him having AB as his blood type.

Therefore, the pattern of dominance is the example given in the question is called "codominance."
Answer 2
Answer: This is an example of Co dominance.

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In which of these materials does sound travel most slowly air,steel,glass,water

Answers

Sound travels the slowest through air, and the fastest through steel. This seems counter-intuitive, since sound seems clearer through air than it does through a solid like steel, but there is reasoning behind it. Since steel is a solid, the particles within it are more closely packed than in a liquid like water or the gases in air, in which the particles are farther apart even than the water. Sound waves don't have as much distance to travel between particles in solids as they do in liquids or gases, in which the particles are farther apart. Because of this, the sound waves can travel the quickest through solids. The only reason sound travels more quickly through steel than glass is because steel is a crystalline solid, while glass is an amorphous solid. Without getting into the specifics, the difference between a crystalline and an amorphous solid is that an amorphous solid's particles are farther apart than a crystalline solid's, which is why glass doesn't keep its shape as well as steel does. Because of this, sound travels more quickly through steel.

So, to recap, sound travels through air, steel, glass, and water in the following order, with 1 being the slowest and 4 being the quickest:
1. air
2. water
3. glass
4. steel
The one is air.It is air because you dont feel the air and sometimes it moves slowly

look around you to find an object in motion.Describe the object's motion by discussing its position and direction of motion in relation to a reference point.Then explain how you can determine the object's speed

Answers

the object in motion is a car. the car's motion is fast and bright in color. I can determine the speed of the car by the speed limit at the moment and upping it if the car is moving faster.

Final answer:

The motion of a car in relation to a reference point can be described by its position and direction. Speed can be determined by measuring the distance traveled in a specific time period.

Explanation:

A moving car can be an object in motion. In relation to a reference point, such as a stationary tree, the car's position and direction of motion can be described. For example, the car may be moving to the right of the tree.

To determine the car's speed, you can measure the distance it travels in a certain amount of time. For instance, if the car travels 100 meters in 10 seconds, its speed would be 10 meters per second (m/s).

In summary, by observing the position and direction of motion of an object in relation to a reference point, you can describe its motion. And by measuring the distance it covers in a given time period, you can determine its speed.

Learn more about motion here:

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Is carbon dioxide a polar or non-polar molecule?

Answers

CO2 is a polar molecule

It is very important that experiments are documented andconducted with a procedure that can be?

Answers

Answer:

Reproducible

Explanation:

In science, the result of any experiment is proved several times by different scientists to know how reliable it is, avoiding in this way, a human mistake during the experiment or any kind of error.

   

Before a scientific paper can be published it will pass for a group of experts in the field of the research, and they are going to reproduce all the steps described in the paper in order to see if they can get the same conclusion of the author.                                                    

Answer:

Repeated

Explanation:

An experiment must be done multiple times to prove its validity.

hope this helps- Cam ♡

When a calcium atom forms an ion, it loses two electrons. What is the electrical charge of the calcium ion? A.
+1







B.
-1







C.
+2







D.
-2

Answers

the electrical charge is +2 (positive)

Answer:

+2

Explanation:

Calcium also has a positive charge of 2. In the case of calcium ion, we have a calcium element with a positive charge of 2.  

When a wire is made thicker its resistance what?

Answers

Making a wire thicker has the same effect as making a road wider. It makes it easier for the electron traffic to flow. The resistance decreases, and the current (traffic) increases.
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