Preserves animal tracks are called trace.
Hello!! The answer would be A - The SA node. It is known as the "pacemaker" because it initiates the heart's rhythmic contractions. I hope I helped!! Have a great day. :)
The pair of structures that best shows how plant cells are
different from animal cells are chloroplasts and cell walls. The answer
is B.
Answer:
Geology means science that deals with the Earth's physical structure and substance, it's history and the processes that act on it.
Penumbra,<span> the Moon's faint outer shadow. Partial solar eclipses are visible from within the penumbral shadow.</span> And Umbra,<span> the Moon's dark inner shadow.<span> Total solar eclipses are visible from within the umbral shadow</span></span>
