B, the independent variable because this is the one that is purposefully changed in an experiment to test the hypothesis.
Answer:
To show the flow of energy through ecosystems, food chains are sometimes drawn as energy pyramids. Each step of the pyramid represents a different trophic level, starting with primary producers at the bottom. The width of each step represents the rate of energy flow through each trophic level.
Explanation:
Hot spots, Divergent plate boundaries and Convergent plate boundaries
Answer:
anorthosite, it is an anorthosite, composed mostly of a type of plagioclase feldspar known as anorthite.
It is necessary because Oxygen demands need to be reduced. This may require more aggressive support
including the use of continuous positive airway pressure (CPAP) or mechanical
ventilation. Newborns born to drug-addicted mothers exhibit hyperirritability,
exaggerated reflexes, and transient tachypnea.
