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Answer:<u><em> The Endosymbiotic theory</em></u></h3>
Explanation:
The Endosymbiotic Theory states that the mitochondria and chloroplast in eukaryotic cells were once aerobic bacteria (prokaryote) that were ingested by a large anaerobic bacteria (prokaryote). This theory explains the origin of eukaryotic cells.
Answer:
I believe both are D, not 100% sure though
<span>c.)The product only has different physical properties than the reactants because a chemical reaction occurred.
This is because rust can behave differently than oxygen and iron. This is because a chemical reaction has happened- a chemical reaction is when a new product is formed. Rust can be change chemically and physically. </span>
<u>Answer</u>: B.The heliocentric model shows that Earth revolves around the Sun. The geocentric model shows that the Sun revolves around Earth.
The geocentric model is also known as the Ptolemaic model and had as center of the Universe Earth. However, the heliocentric model presented by Nicolaus Copernicus and Galileo Galilei, had the sun as the center of the Solar System, with Earth orbiting around it. However, it is thought that this theory was older than Copernicus.
Answer:
ummmmmmmmm sir what i um well I think G.o.o.g.l.e would be your friend on that one
