true Great Britain is an example of a core nation
Heat is what causes atoms to move at different speeds. The hotter it is the faster they move.
No. Individuals choosing their own wife is a concept that recently was introduced to first world countries. Many people in third world countries and a few in first world countries still have arranged marriages.
Answer:
DNA
Explanation:
DNA is found in the nucleus of a cell.
The human genetic code is made of 50,000 genes.
Organisms store and transmit genetic information.
DNA has a double-helix structure.
Cells contain protein molecules.
