Rock, soil, water, & air on earth!
The appropriate answer is c. a scientific journal. A scientific journal is a collection of papers based on topics in science that have been written by experts in their fields. Individuals with a masters or doctorate in various subject areas are published here.
From the list given this is the best second source for the research. Science fiction novels and not real and so would be unacceptable. Magazines and news papers reporting on scientific research most likely get information from scientific journals.
Secondary growth<span> is the outward </span>growth<span> of the </span>plant<span>, making it thicker and wider.</span>
I believe it's true, sorry if it's not. I just can't find any research to prove if my answer is correct or not.
The word you are looking for is aquifers. Aquifers are a body of permeable rock that allows a specific substance that is a liquid or a gas to pass through. In this case, it would be allowing water to pass through.
