Answer:
Are cells the building block of life?
A cell is the smallest unit of a living thing. A living thing, whether made of one cell (like bacteria) or many cells (like a human), is called an organism. Thus, cells are the basic building blocks of all organisms.
Explanation:
Answer:
an opinion on what may delay the technique's adoption
Explanation:
Answer: The first passage of the story is about the history of formation of the Yellowstone National Park, this includes the information why it is significant, which means that author appeals to readers' emotions, describing the park with great interest and passion. The second passage has no mood, just contains some facts and statistics which would have a less appealing factor to the reader.
Explanation: