Answer: atoms come from originally....The first source was the BIG BANG that created the Universe 14 billion years ago. When the big bang occurred, the elementary particles initially were too hot initially to make any stable atoms... but after a few thousand years, when things cooled down a lot, Hydrogen and Helium got made.
The correct answer is a. cilia
Answer: This is True
Explanation: DNA is copied and carried down into generations every time an organism sexually reproduces.
I think it is D. I a. sorry if wrong
This is rooted in the central dogma of biology: DNA->RNA->protein. Once proteins are formed, they are the foundation for reactions and structures formed in the body.
