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Stimulus names the change in the environment that causes an organism to change its activity.
This means your answer is Option D.
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<span>Ionic bonds formed between a metal and a non-metal, while in covalent bonds both participants are non-metal. In ionic bonds non-metals(more strong, negatively charged) get electrons from metal, while in covalent bonds electrons are shared. Ionic bonds have high melting and boiling point and no definite shape, its opposite in covalent bonds.</span>
1- The atmosphere (air)
2- Organic Matter (Which is non-living and the living)
3- Minerals and different kinds of rocks.
4- microorganisms (earthworms, insects, etc)
5- water (which is important.)
Answer:
Progenies of batch I would not be labeled by 35S; progenies of batch II would be labeled by 32P.
Explanation: