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What is the third person plural preterite indefinite of the verb tener?

Tuvieron is the correct answer, not to be confused with the third person plural of the preterite imperfect salieran. Take a look to the differences between them, and their meaning, that will make them easier...
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Answered by Gonzalo G. • Spanish tutor
5433 Views

What does anaerobic mean?

Anaerobic conditios are those in which oxigen is not present, or present in very low quantities. Processes which are anaerobic tend to be found in stationary waters, and inside our muscles for example.
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Answered by Gonzalo G. • Biology tutor
3654 Views

Can you please explain the law of diminishing returns?

The law of diminishing returns refers to our production function in the short run. Remember, we define the short run as when we have at least on factor of production that is fixed. The easiest, and typical e...
EH
Answered by Emily H. • Economics tutor
3238 Views

Outline the main endogenous pacemaker and exogenous zeitgeber in the sleep-wake cycle regarding research, and outline one advantage and one disadvantage of this arrangement.

First, it is important to define the features of the mammalian sleep wake cycle. Sleep-wake comes under the category of a circadian rhythm ; this is an approximately 25-hour cycle in the biochemical, physiol...
RO
10284 Views

When do you use the subjunctive in Spanish?

The subjunctive is one of the three moods in spanish. The other two are indicative and imperative. It is used in the following situations: To express: - Wishes: "espero que..." - Emotions: "es...
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Answered by Clara B. • Spanish tutor
2794 Views