Answer:
Oxygen atoms contain 16 times more mass than Hydrogen atoms.
(a brainliest would be appreciated)
Answer:
Option B,
Explanation:
Proper restraint and handling techniques are used while dealing with animals in laboratory. These techniques ease the process of dealing with animals and must be practiced on regular basis even when there is no procedure being performed.
Unlike other animals cat is the most co-operative animals and it is usually dealt by restraining the body be one hand and head by other hand. Cats can also be restrained by holding the scruff with one hand and then gently holding the hind limbs followed by stretching it.
Hence, option B is correct.
Urbanization has changed literally everything over the years from the environment being destroyed little by little but also it effects water pollution and by factories being made puts a bunch of terrible greenhouse gasses that are not healthy to breath in.
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Rough and smooth endoplasmic reticulum
