Answer:
Low concentration to high concentration
Explanation:
If moving up the concentration gradient, you will start detecting the chemical molecules more and more frequently.
Answer:
Crust- ranged from 6km to70km thick .
mantle- convection here leads to earthquakes.
Core -has a liquid and soild layer
Moho barrier- separates the crust and mantle.
Explanation:
HOPE this helps
Answer: A) nucleotide
Explanation: I too, am also in biology :)
4.
when you are addicted usually you might have withdrawals.