Converting solar energy does not affect the earth system
Answer:
1) sound is encoded on a digital recording as an electrical signal.
2) the digital recording plays the sound as an electrical signal.
3) the electric signal moves through a voice coil
4) The voice coil produces a magnetic field.
5) changing the magnetic field pushes and pulls on the diaphragm.
Answer:
Number 3 is “dark”
Explanation:
After the Industrail Revolution, there was a large growth in dark peppered moth population.
Answer:
Streak test is used to compare the properties of different minerals.
Explanation:
Streak test is perform on rocks to check the properties of a mineral or rocks. If you have a piece of white floor tile, You can use it for the test. In this test we rub mineral on a piece of white tile Turn your tile so that the dull side faces up. Take your rocks one at a time and rub them back and forth over the surface of the tile and observe the color of the powder left behind which will tell about the type of mineral.
Which is not an emotional reaction to stress?
picking a fight
feeling moody or aggressive
noticing your heart racing
bursting into tears more often
