Answer:
Scientists once thought the most fundamental building block of matter was a particle called the atom. Now we know that the atom is made of many smaller pieces, known as subatomic particles. Every atom contains a central core called the nucleus, made of particles called protons and neutrons.
"Exponential growth" means that the bigger it is, the faster it grows.
That's Choice 'D'.
The scientist that discovered cells by observing cork with a homemade microscope would be Robert Hooke.
It is true that an organism that is asymmetrical can not be divided into identical or mirror images.
