look at these details from a paragraph about the same topic: • carrying a heavy backpack can put extra…

look at these details from a paragraph about the same topic: • carrying a heavy backpack can put extra strain on back muscles. • a persons neck muscles may get strained or sore after carrying a heavy backpack. • wearing heavy backpacks may cause people to lose their balance. choose the main, or central, idea that ties all the details together. carrying a heavy backpack on one shoulder may lead to bad posture. carrying a heavy backpack can cause muscle strain and loss of balance. carrying a heavy backpack may cause you to fall.

look at these details from a paragraph about the same topic: • carrying a heavy backpack can put extra strain on back muscles. • a persons neck muscles may get strained or sore after carrying a heavy backpack. • wearing heavy backpacks may cause people to lose their balance. choose the main, or central, idea that ties all the details together. carrying a heavy backpack on one shoulder may lead to bad posture. carrying a heavy backpack can cause muscle strain and loss of balance. carrying a heavy backpack may cause you to fall.

Answer

Brief Explanations:

The details mention muscle - strain (back and neck) and loss of balance due to heavy backpacks. The first option about bad posture is not in the details, and the third option about falling is too specific compared to loss of balance. The second option combines muscle strain and loss of balance which are the main points from the given details.

Answer:

Carrying a heavy backpack can cause muscle strain and loss of balance.