Answer: The porpoise would hear its echo first because sound travels faster in the water than in air.
Explanation:
People would rush to the store to buy supplies and there might not be enough for the "last minute noticed" people
Answer: 6.02214 × 1023 particles
Explanation: did math
Answer:The Geocentric and the Heliocentric models are descriptions of the universe known at the time when these models were developed. The main difference between the two models is the perceived center of the known universe. According to the geocentric model, Earth is the center of the known universe
Explanation:I answerd the question before in Earth Science
<span>The unit cell of amazonite is made of three pairs of faces, each pair different from the others. The faces are oriented at angles to one another that are not 90 degrees. The type of crystal this is is triclinic.
Triclinic crystal system is one of the seven crystal systems, with three basis vectors. </span>
