When bringing a positively charged rod near an object to charge it by induction a) the charge on the rod remains intact so it can be used again to charge several objects by induction

b) the object gains a negative charge

c) contact is not made by the rod, but there is contact with the ground

d) all of the above

e) all of the above is false

the leaf is an organ of a typical plant, and the main functions are to complete photosynthesis and allow the plant to exchange gas, just like how we have the respiratory system. leaves have the stomata, which collects maintains co2 and o2 levels. this is necessary for cell metabolism. the leaf also collects sunlight using chloroplasts. succinctly, leaves own a pivotal role in sustaining plant life.