Bonjour,
1. Arteries carry blood from the heart to the rest of the body, whereas veins carry blood from the rest of the body back to the heart.
2. Almost all arteries carry oxygenated blood and almost all veins carry deoxygenated blood.
3. Arteries have a thick elastic muscle layer, whereas the muscle layer for veins is much thinner.
Answer:
Explanation:
Carbon can be continuously cycled, but energy cannot
Carbon in the feces of a top predator can be decomposed and used by primary producers in the form of CO2; the energy in the feces is used by the decomposers and is released as heat.
<u>Answer</u>:
"phosphate, ribose, adenine" could be a DNA nucleotide
<u>Explanation</u>:
They are built up of the molecules known as nucleotide. Every nucleotide has a sugar group ,a nitrogen base and a phosphate group in it. For such type of nitrogen are present. The order of bases are determined by the genetic code or the instruction they are carrying with them. The DNA are generally found in the nucleus present in the brain. It has the total control of the body. It also keeps a record of the genetic information.
Answer:
Where did the data come from.
Explanation:
The source of the data is very important, even if the data isnt necessarily false information, its important to make sure the source is credible and their test was set up correctly so the data can be valid.
The carbon cycle because global warming is caused by high levels of carbon
