They train our immune system so it's ready when our bodies are attacked, and they aid in digestion and supply us with vitamins. ... Scientists and doctors can even utilize prokaryotes to help the human body.
Answer: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune
Explanation:
The answer is B. they embody the idea of descent with modification.
Answer:
1 Photosynthesis uses CO2 and expels O2 and the reverse for respiration
2. stratosphere where ~90% of it is
3. Less infrared radiation is able to escape from the earth into space and that infrared radiation hits the GHG gases and the radiation is turned into kinetic or heat energy trapping which warms up the earth
Explanation:
Answer:
the younger rock is on the top because that is where the newer rocks form the older rock is on the bottom
Explanation: