Answer:
C) It is impossible to have identical twins of different sexes
Explanation:
Scientifically monozygous or identical twins are usually of the same sex unless in a rare case of genetic mutation where they develope into different sexes.
When the individual asked if they are identical twins, the first line of thought naturally will be to think if it is possible to have identical twins of different sexes
Answer: Experiment - randomized block design
Explanation:
A randomized block design (RBD) is an experimental study where the scientist classifies subjects into different groups, denominated blocks. The subjects within each block are assigned to the different treatments, varieties of wheat in this example.
A randomized block design is effective when the subjects within blocks are comparable in how they influence the response variable but differ from other blocks.
The answer to the question is c. elementary reaction wherein reactants are converted products in a single step. Elementary reaction is a chemical reaction wherein one or more chemical species directly react to form products with a single transition rate in a single reaction step.
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Answer: b. Inappropriate behavior because they are no longer watching you all the time
Explanation:
A spotter is an observer, who has been assigned to watch an activity for the time being when till the session is over. The spotter is to be focused on the activity till the course is done.
The spotter is not supposed to discuss the workout but rather observe till the session is over, hence they loose concentration as they are no longer watching.
