B.<span>lead to health problems!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!</span>
Answer:
dependent: exam score, independent: presence of music,
confounding can be the fact that students in no music condition completed exam as they normally would
high validity
Explanation:
Dependent variable is the variable whose value depends on independent varaible. As independent variable is changed, the value of dependent variable changes
Students in no music condition completed exam as they normally would can be confounding as no description is given about how they would noramlly complete an exam. Any other factor and not no music condition, in normal exam condition could have affected their scores.
The experiment has high validity as the exam scores of student exposed to music was significantly higher than those not exposed to the music. The results also proved the hypothesis.
Answer:
B, Florida became U.S territory
Explanation:
<span>Mycorrhizal associations are symbiotic interactions between "fungi and roots".
A nutrient depletion zone can create when there is quick soil arrangement take-up, low supplement fixation, low dissemination rate, or low soil dampness. These conditions are extremely normal; in this way, most plants depend on organisms to encourage the take-up of minerals from the dirt. Mycorrhizae, known as root fungi, frame cooperative relationship with plant roots. In these affiliations, the parasites are really incorporated into the physical structure of the root. The organisms colonize the living root tissue during dynamic plant development.
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Answer:
Washington, that produces 444.9 million pounds of apples.
