Answer:
Plastics are non-corrosive in nature because they do not react with air, water or other substances. They do not get corroded even if they come in contact with strong chemicals. This is because of their non-reactive nature with most materials. For example, the cleansing chemicals that we use at home are stored in plastic bottles, instead of metal containers. I know its late but I still hope it helped. :)
Answer:
The correct answer is option B.
Explanation:
The ciliates are a group of the organism of protozoans characterized by the presence of cilia, a hair-like structure, that appears to be the same as the eukaryotic flagella.
These organisms are shorter in size and found in high numbers. They normally have more than one nuclei so known as multinucleate. They found in the freshwater.
Thus, the correct answer is option B.
Just go with 78 as the answer
selection favors organisms which are well adapted to the environment.
(according to Darwin's theory)
