Explanation:
no 3 is the correct answer I think...
Answer:
Plate Tectonics
Explanation:
The theory of plate tectonics states that the Earth's solid outer crust, the lithosphere, is separated into plates that move over the asthenosphere, the molten upper portion of the mantle.
<span>The sequence is as follows:
c, d, a, b, f, g, e
The impulse starts at the SA node that has its own contraction rhythm (but can be faster or slower depending on other impulses or hormones). That impulse travels then through the atria and is slowed down by the atrioventricular septum except for a region in the right atrium called AV node where the impulse has continuity. The impulse travels then to the ventricles through the AV bundle. The impulse continues through bundle branches to other fibers: Purkinje fibers. These Purkinje fibers cause then a contraction that goes from the apex of the heart and rapidly through the ventricles.</span>
Answer:
The Kyoto Protocol, a landmark environmental treaty that was adopted in 1997 at the COP 3 in Japan, represents the first time nations agreed to legally mandated, country-specific emissions reduction targets.
Explanation:
https://en.m.wikipedia.org/wiki/Kyoto_Protocol
the article where I got the info from, hope this helps
