The correct form of the present perfect tense is han vivdo. (Option D) Hence the correct sentence is:
"Ellos han vivido en California por 10 años"
<h3>What is
"present perfect tense" in Spanish?</h3>
In Spanish, the present perfect tense (known as el pretérito perfecto) is created to indicate actions or activities that have happened recently and/or activities that are still true.
Examples are:
I have eaten.
They have eaten.
Learn more about "present perfect tense" at:
brainly.com/question/9954525
An example of a hydrosphere-cryosphere interaction is water currents melting the glaciers in Antarctica. The sphere that a volcanologist most directly studies is the geosphere.
Your welcome
Answer:
i think it is D Beaker A is used as an experiment to see the effects of air on limestone. Beaker B is used as an experiment to determine the effects of plain water with a neutral pH on limestone. Beaker C is used as an experiment to determine how acid affects limestone. Beaker D is used as a second experiment to determine how acid of a higher concentration affects limestone compared to acid of a lower concentration. There are no controls in this experiment because a controlled experiment was not practical for this situation.
Explanation:
She needs to use 3 pieces of ribbon which needs to be 8 inches long and