Answer:
C
Explanation:
Trilobites were alive the longest time ago, so they would be found in the oldest rock layer.
Answer:
A model organism is a species that has been widely studied, usually because it is easy to maintain and breed in a laboratory setting and has particular experimental advantages. Model organisms are non-human species that are used in the laboratory to help scientists understand biological processes
Explanation:
Answer:
Every particle attracts every
other particle in the universe
using a force that is directly
proportional to the product
of their masses and inversely
proportional to the square of
the distance between them. (theory)
Human beings walk on the
ground rather than floating
in the air. (law)
Human beings walk on the
ground rather than floating
in the air because of Earth's
gravitational force. (fact)
Explanation:
theory: Us humans always come with theories so that it will make it a lot easier for us to understand the whole picture. So that's why the first part is a theory because we have never seen every particle attract an other particle. but because of the modern technology we are able to make a trustworthy theory.
Fact: We know that humans walk on the ground because of the earth's gravitational force.
law: This law mathematically describes how two different bodies in the universe interact with each other.
I hope this is ok :)
Answer:
The following characterized articles that are published in scientific journals are D, because they have to explain scientific and be written .
Explanation:
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