How do scientists write very large numbers? O A. They divide all numbers by a constant to reduce the size.
O B. They round off all numbers to a few digits after the decimal.
O c. They simplify the numbers by deleting the exponents.
D. They express the numbers using scientific notation.
SUBMIT

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later

Ibelieve it is b. proton.hope my answer has you : )

The answer to this question is a

As long as you're breathing, you'll be fine : /p. s. if you aren't breathing, you'll pass out. mark as brainliest.