Which of the following would not be a real-world application of an electromagnet? O A. A magnetic-levitating train uses electromagnets to reduce friction.
OB. Using a giant electromagnet to pick up old cars and trucks in a junkyard.
o
C. A small electromagnet can be used to sound off a doorbell.
D. Using an electromagnet to pick up shattered glass.

Eukaryotic cells are theorized to have evolved from prokaryotes called the endosymbiotic theory. this explains that the most primitive eukaryotic cell engulfed a prokaryotic cell (by the process of phagocytosis) that is capable of cellular respiration and another prokaryotic cell that is capable of photosynthesis. these prokaryotic cells eventually became organelles and these organelles are the mitochondria and the chloroplast

All of them are man made

Humans can affect weathering and erosion in several ways.  humans cause  increases in acid rain and pollution, which increase the amount of  weathering  agents in the air and water, and then on land.for an easy answer: 1) acid rain2) pollution