The water acts like a wall that doesn’t let sound get under there unless it’s as loud as a tigers roar
Answer:
Electromagnetic waves have many different wavelengths and frequencies that span a range known as the electromagnetic spectrum. Light of different wavelengths produces different perceptions of color. The longest wavelengths produce the perception of red, while the shortest ones produce the perception of violet.
Answer:
The correct statements are that the first calorimeter is reliable but not valid, and the second calorimeter is valid and reliable.
Explanation:
The first calorimeter is reliable as the reading demonstrated by it is similar when each time the experiment is performed, however, the result attained is not correct, though it is reliable. On the other hand, the second calorimeter is both reliable and valid, as it is demonstrating the accurate results from time to time. This is valid as it is providing a similar result as that of the original readings.
I believe it’s A.
If I’m wrong I’m sorry I think that’s what they said in school
