In an Electromagnet which of the two really become a magnet the piece of iron or the coil of wire​. physics

Parla you studied both a video analysis and text analysis of the poem "i hear america singing." consider how the speaker of the poem describes america as "singing. nrite a paragraph discussing the central theme of the poem, drawing information from both the video and the text. cite specific evidence from the video and text to support analysis

Magnesium is the fourth most abundant mineral in the body and is essential to good health. magnesium is needed for more than 300 biochemical reactions in the body. it maintain normal muscle and nerve function, keep bones strong, keep one’s heart rhythm steady, and supports a healthy immune system. magnesium also regulate blood sugar levels, promotes normal blood pressure, and may play a role in energy metabolism and protein synthesis. doctors and scientists are trying to determine whether magnesium may play a role in preventing and managing disorders such as hypertension, cardiovascular disease, and diabetes. which is the main idea of this paragraph? a. the role of magnesium in human nutrition is being studied intensely. b. magnesium may be related to the body’s metabolism and other healthy functions. c. magnesium appears to contribute to hypertension, cardiovascular disease, and diabetes. d. magnesium and a healthy immune system are separate diseases.

Which sentence is an example of objective third person writing that could be found in a scientific essay