The reaction is given by
Barium goes underneath beta decay to form Ceaseum
- Cs is very mellable element
- It can melt on your hand
Answer:
Populations have genetic variation.
The environment changes.
Organisms must have specific traits in order to survive and reproduce.
Explanation:
Natural selection provides an advantage during an adverse condition for organisms that have a rich genetic variation in their population.
Also, environmental changes induced natural selection whereby organisms must adapt to changes around them.
For organisms to survive, they must have specific traits that gives them a competitive reproductive advantage.
Answer:
A
Explanation:
Because in 1 second, line A was faster than line B.
