Meaning of experiment is A-controlled observation.
Part A: D
Part B: A
<em>Neither Carla nor Tim plays in the marching band </em>is the sentence with the correct subject-verb agreement.
Explanation:
In the context of linguistics, the term <em>agreement</em> refers to words changing their form in a certain way that depends on the other words to which they relate.
According to the subject-verb agreement, the verb and the subject must agree in number. This means that, if the verb is singular, the subject must also be singular, and the other way around.
An example of the correct subject-verb agreement is the sentence <em>Neither Carla nor Tim plays in the marching band.</em><em> </em>Even if there are two subjects in the given case, the verb is singular. When the subjects are both singular and are connected by the words <em>or, nor, neither/nor, either/or, </em>or<em> not only/but also</em>, the verb is also singular.
Sentence A is incorrect as <em>we</em> is a plural noun and should be used with the plural verb (<em>are</em> instead of <em>be</em>). Sentences B and C are similar. <em>Sisters</em> is plural, so instead of <em>plays</em>, the form<em> play </em>should be used. <em>Frogs </em>is also plural, and the correct form of the verb would be<em> croak.</em>
Learn more about parts of speech here: brainly.com/question/8448540
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Answer:
Fixed Cost: A fixed cost means that it never changes, increases or decreases for goods or services sold/ produced.
Variable Cost: Variable Costs happens when goods/ services a business supplies changes.
Semi Variable cost: Semi variable cost is cost that shows both fixed and variable cost in it's group.
Explanation:
Example Fixed Cost: rent, propety tax, insurance
Example Variable Cost: electricity, gas, wages, and commission
Example Semi Variable Cost: running a vechicle
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