Example - the relatively rigid covering of a plant cell, containing cellulose, hemicellulose, lignin, etc.<span>
non example - </span><span>Mycoplasma because it has no cell wall</span>
The plants can grow with out being disturbed by the pests and it doubles the harvest also when the plants produce seeds the seeds will contain the pest-resistant genes so you can grow more plants that contain it<span />
C it will be c because earth has water
D. POPS.
Your answer is D because pesticides have aldrin, chlordane, .... which are all POPS.
