Answer:
Necesita un ambiente saludable o entonces los animales y plantas en ese ambiente no sobrevivirán. Un ambiente saludable es ideal para las criaturas vivientes allí para que puedan tener agua, aire y verduras / plantas saludables. No sé si esta es la respuesta que querías, pero puedes decirme si no obtuve tu respuesta.
Explanation:
During the 1930s, the combination of the Great Depression and the memory of tragic losses in World War I contributed to pushing American public opinion and policy toward isolationism.
The kind of language described above is called Concrete Language. The correct answer, thus, is D.
<h3>What is Concrete Language?</h3>
Concrete Language is also called Sensory Language.
It references things that have to do with tangibility or are related to words that trigger the reader's sense such as sound, touch, smell, taste, etc.
See the link below for more about Concrete Language:
brainly.com/question/8355713
The correct answer is "reciprocity."
Reciprocity signifies a mutual exchange in which both parties benefit. In this case, Maddie is one party, and her professor is the other party. Since Maddie is volunteering to work with participants in her professor's study, her professor is benefiting from this free work. To make this a reciprocal relationship, Maddie would then have to receive a benefit, such as extra credit on her grade.