Answer:
4km/hr
Explanation:
There are 60 minute in an hour. If you divided 60 by 30 minutes you’d get 2. 2x 2km is 4km and 30x 2 is 60/an hour
Answer:
Yes
Explanation:
A chemical reaction maintains a constant voltage between the negative and positive terminals of a battery. Electrons are transferred from anode to cathode. As the reaction progresses, the voltage decreases continually until the reaction attains equilibrium and the voltage between the battery terminals becomes 'zero'. At this point, the battery is said to be dead because there will be no more flow of current between the terminals of the battery.
By electromagnetic radiation...
hope its helpful...
Answer:
its all black I cant see the image can you re upload it
Explanation: