Question
How is a battery formed?
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Answer
self
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Write differences between decomposers and scavengers.
"You conserve forest, you conserve soil". Do you agree? Justify.
Unscramble the underlined word in the following sentences :
(i) The discharge of blood in adolescent girls which generally occurs every 28-30 days is nstmnoiaretu.
(ii) The hoarseness in the voice of adolescent boys is due to enlarged iceov xob.
(iii) Secondary sexual characteristics are natural signs that the body is preparing for adulthood and mark the onset of urtvpeb.
(iv) We should say NO to lahoclo and srugd as they are addictive.
(i) The discharge of blood in adolescent girls which generally occurs every 28-30 days is nstmnoiaretu.
(ii) The hoarseness in the voice of adolescent boys is due to enlarged iceov xob.
(iii) Secondary sexual characteristics are natural signs that the body is preparing for adulthood and mark the onset of urtvpeb.
(iv) We should say NO to lahoclo and srugd as they are addictive.
Complete the following flowchart :
Define the following:
- Soil profile.
- Horizon.
What is an electric circuit? Define the terms closed and open circuits
Look at Figure.
The length of wire $PQ$ in case of $A$ is equal to the diameter of the semicircle formed by the wire $CDE$, in case $B$. One pin is attached to each wire with the help of wax as shown in Figure. Which pin will fall first? Explain.
→The length of wire $PQ$ in case of $A$ is equal to the diameter of the semicircle formed by the wire $CDE$, in case $B$. One pin is attached to each wire with the help of wax as shown in Figure. Which pin will fall first? Explain.
When baking soda is mixed with lemon juice, bubbles are formed with the evolution of a gas. What type of change is it? Explain
On the basis of the following table, calculate the speed of the car between 9:00 AM to 10:00 AM time interval.
Table: Odometer reading at different times of the journey
Table: Odometer reading at different times of the journey
| Time (AM) | Odometer reading | Distance from the starting point |
| 8:00 AM | 36540 km | 0 km |
| 8:30 AM | 36560 km | 20 km |
| 9:00 AM | 36580 km | 40 km |
| 9:30 AM | 36600 km | 60 km |
| 10:00 AM | 36620 km | 80 km |
What are the components of an electric circuit?