Answer:
A black hole is a region of spacetime where gravity is so strong that nothing—no particles or even electromagnetic radiation such as light—can escape from it.
Explanation:
A black hole is a region of spacetime where gravity is so strong that nothing—no particles or even electromagnetic radiation such as light—can escape from it.
Answer:
a and b are certainly correct and d is absolutely wrong.
In the summer season, Earth’s northern hemisphere is tilted towards the sun and in winter season the northern hemisphere is away from the sun. The tilt actually causes a lot of difference in the amount of sunlight received by the earth and since the sunlight is the main cause of the weather change that leads to different seasons.
Answer:a. Most manipulations are straightforward. False.
b. Staged manipulations are designed to get participants involved in the situation and to make them think that it is a real experience. True
c. A staged experiment may be difficult to replicate by other researchers. True.
d. Straightforward manipulations are often difficult to interpret. False
Explanation:straightforward manipulation
manipulate variables with instructions and stimulus presentations.(verbal, written, video, computer)
staged manipulation
staged events that occur during the experiment in order to manipulate the independent variable successfully.
