B) ASEAN.
The Association of Southeast Asian Nations |
Answer:
Mutations, gene flow, and sexual reproduction are all major causes of variation. By altering the genes of individuals in a population, DNA mutation causes genetic variation. As new individuals with different gene combinations migrate into a population, they cause genetic variation.
Explanation:
B)
You could make like a building somewhere high so when everyone gets a warning that a flood is coming they can go and leave there let’s there or like a boat like Noah’s arc
Hope this helps —- xoxo
Since this is a square you can set 3x+20=5x then you can solve for x.
Subtract 3x from both sides:
3x-3x+20=5x-3x
20=2x
Divide both sides by 2
20/2=2x/2
10=x
Hope this helps.