SOCIAL STUDIES HIGH SCHOOL

Few people today know that the Milky Way is a spiral arm of our galaxy, which contains such a dense cluster of stars that in the past it appeared not as individual points of light but as a splash of light across the night sky. Why is it no longer visible this way?

Answers

Answer 1
Answer:

Answer:

The correct answer is :  Light pollution

Explanation:

This kind of pollution refers to an excessive obtrusive artificial light usually coming from outdoor.  Now it is seen as individual points of light because this environmental problem washes out our view of outer space. It can confuse the sight of humans and animals affecting how we perceive things.


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MIDDLE SCHOOL

What's meant by the optimum population?​

Answers

Optimum Population talks about the size of a population that is the best out of several outcomes.

COLLEGE

To ensure that all your participants have an equal opportunity to be in the treatment group, you decide to toss a coin to determine who gets placed in the treatment and control groups. You have engaged in________ a. Random assignment b. A control group c. Double-blind experiment group d. None of the above

Answers

Answer:

a. Random assignment      

Explanation:

Random assignment: The term random assignment is defined as the implementation of chance procedures in various psychological experiments to make sure that every single participant or subject in the experiment gets equal opportunity of getting assigned to any of the group used in the experiment, for example, the experimental group.

Example: In any psychological experiment, all the subjects get the equal opportunity of getting assigned in either the experimental group or the control group.

In the question above, the given statement refers to the random assignment.

HIGH SCHOOL

Who in the nineteenth century used the words ""We the people"" from the Constitution to claim that the southern states could not secede from the Union?

Answers

Answer:

Abraham Lincoln, 16th president of the united states has used these words that " We the people" from the constitution to claim that the southern states could not secede from the union? He was against the secession and considered it unlawful.

MIDDLE SCHOOL

For what directions are latitude lines used?

Answers

Lines of latitude run in an east-west direction. They are called parallels because they are equally distant from,
LONGITUDE.
Lines of longitude, called meridians, run in a north-south direction from pole to pole.
Latitude lines are horizontal, while longitude lines are vertical. i always remember "lat is flat" and "LONGitude" lol. hope that helped.
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