Which method is the typical first step when scientists communicate their scientific results?

The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?