Jason and Julia are preparing for a quiz in Psychology 101. Jason recites four reasons for seeking out a social support network. Julia, who has top grades in the class, gives her nod of approval to all but one of Jason's list. Which one is she most likely to reject?This is psychology, but that isn't one of the options

Answer: True

Explanation: After a while the muscles that control your pupil size weakens which leads them to be less responsive to changes in light. Which is why older people need more light go read than a younger person does.

Final answer:

With age, the muscles in the iris, which control the pupil size, tend to be less responsive,leading to smaller pupils. This is a normal age-related change, but sudden drastic changes in vision should be checked by a healthcare provider.

Explanation:

The statement that older people tend to have smaller pupils is true. Age-related changes in the human body include alterations in the eyes and the size of the pupils especially. With age, the muscles in the iris that control the size of the pupil become less responsive, leading to smaller pupils. This can limit the amount of light that can enter the eye, thus affecting vision especially in low-light conditions.

Explanation in 100 words: The iris is a circular band of muscle that controls the size of the pupil. Aging often causes these muscles to lose some of their strength and flexibility, causing the size of the pupils to decrease. Hence, it is correct to state that older individuals usually have smaller pupils than younger ones.

In conclusion, it's important to understand that most age-related eye changes are normal and do not signify a disease. However, if drastic changes in vision occur, a healthcare provider should be consulted.

Learn more about Eyes Aging here:

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Answer:A

Explanation:

1. Answer;

Lines of latitudes  

Lines on a map that run parallel to the equator are known as lines of latitude.

Explanation;

• Lines of latitudes are imaginary lines that run from east to west and measure north-south position between the poles.  
• Lines of latitudes are parallel to each other. The equator is zero degrees, while the North Pole is 90 degrees north and the South Pole is 90 degrees south.  
• Lines of longitudes or meridians on the other hand are imaginary lines that run between the North and South poles. They measure east-west position.

2. Answer;

B. astrophysics and planetary science

The two sub-specialties of astronomy are astrophysics and planetary science.

Explanation;

• Astronomy is a science that studies objects beyond the earth's atmosphere, such as planets, stars, asteroids, galaxies; and the properties and relationships of those celestial bodies.  
• Astrophysics involves the application of physics to understand astronomy. It involves the study of actual physical processes taking place in the universe, such as how they operate, etc
• Planetary science is the scientific study of planets, such as the earth and other planets in our solar system, moons, and planetary systems and the processes that form from them.

3. Answer;

D. a measure of gravitational force on an object.

Explanation;

• The weight of an object refers to the measure of the force exerted by gravity on the object. Weight will therefore depend on the gravitational force on a surface, and will vary from one place to another, such that the weight of an object on earth surface will be different on the moon’s surface.
• Weight is measured using a spring balance and is measured in Newton (N).

4. Answer;

D. The factor that's changed by the experimenter and impacts the dependent variable

Explanation;

• An independent variable is the variable that is changed or controlled by the experimenter in a scientific experiment to test the effects on the dependent variable.
• A dependent variable on the other hand is the variable being tested and measured in a scientific experiment. Dependent variable in an experiment changes from the manipulation of the independent variable.
• As the experimenter manipulates or varies the independent variable, the effect seen on the dependent variable is observed and recorded.

5. Answer;

B. Amount of silica it contains

Magma is classified as basaltic, andesitic, or rhyolitic based on the amount of silica it contains.

Explanation;

• Magma is defined as a molten and semi-molten mixture that is found under the surface of the Earth. Intrusive igneous rocks are formed from the magma that cools and solidifies within the earth’s crust, surrounded by an already existing rock.  
• Silica (SiO2) is the primary oxide present in magmatic rocks and serves as the basis of classifying magmatic rocks broadly.  

6. Answer;

Metallic bond

A metallic bond allows metals to conduct electricity.

Explanation;

• Metallic bonds are types of bonds or forces of attraction that occurs between the positive ions of metal and valence electrons known as sea of electrons that are constantly in motion around the positive ions.  
• The metal positive ions forms a lattice like-metallic structure that is held together by metallic bond. Metals conducts electricity as a result of mobile electrons which are free to move towards any direction.

7. Answer;

24  

There are 24 GPS satellites orbiting the Earth.

Explanation;

• The baseline satellite constellation contains 24 satellites which are positioned in six earth-centered orbital planes with four operation satellites and a spare satellite slot in each orbital plane.
• The 24 main GPS satellites orbit Earth every 12 hours, sending a synchronized signal from each individual satellite. A User will receive signals at slightly different times since the satellites are moving in different directions.

8. Answer;

B. dependent variable

Explanation;

• A dependent variable is the variable or a factor that is being tested and measured in a scientific experiment. An independent variable on the other hand is the variable or a factor that is changed or controlled by the experimenter in a scientific experiment to test the effects on the dependent variable.
• Dependent variable in an experiment changes from the manipulation of the independent variable.
• As the experimenter manipulates or varies the independent variable, the effect seen on the dependent variable is observed and recorded.