23 pair is the answer
b)The experiment will lack a purpose.
c)The experiment will not be repeatable.
d)The experiment will not have variables.
Answer;
The experiment would lack a control group
Explanation;
-An experiment deliberately imposes a treatment on a group of objects or subjects in the interest of observing the response.
-Experimental design involves taking time and effort to organize the experiment properly to ensure that the right type of data, and enough of it, is available to answer the questions of interest as clearly and efficiently as possible.
-A scientific control is an experiment or observation designed to minimize the effects of variables other than the independent variable. This increases the reliability of the results, often through a comparison between control measurements and the other measurements.
Nakamura was praying for protection when the front door was flung open by the police.
A prayer for protection was being said by Nakamura when a force flung the front door open.
Nakamura was praying for protection when a force flung the front door open.
A prayer for protection was being said by Nakamura when the police flung the front door open.
Answer:
Option B, A prayer for protection was being said by Nakamura when a force flung the front door open.
Explanation:
A shift in voice of a sentence or statement is considered when there is a change in the tense, person and voice of the sentence or statement.
Here the given statement is in active voice and in the option chosen the voice is passive. Here the voice is changing from active to passive which is the requirement of producing a shift in voice , thus, option B is correct.
Answer:
its a strong acid to be exact
Explanation: