Answer:
4 to 5 kg
not very certain in pounds 1b)
Answer:
The flow/transfer of energy would be A) sound-electrical-sound
Explanation:
When you are talking on the telephone, you speak, which produces sound. The telephone picks up this energy and converts it to electrical signals, which are then converted back to sound on the other end of the line, thus the answer to your question being A) sound-electrical-sound
<span>Level of depression/////////////</span>
Answer:
Increase with a stimulant and decrease with a depressant
Explanation:
Stimulants and depressants are observed using various organisms. The way a stimulant works is by increasing the dopamine levels in the body. This in turn causes increased heart rate as would be seen in the chick embryo heart. On the other hand a depressant would lower dopamine levels. This would reduce the neurotransmitter and cause the heart rate to slow down.
