One example of irradiation solving a societal problem might be the way
in which it is able to prevent diseases in food. Using small amount of
radiation, the bacteria and insects that would otherwise be carrying
harmful bacteria can be killed. This will solve a societal problem, in
that food wastage and illness due to food poisoning in poverty-stricken
areas are massive problems faced in our society.
Throwing garbage on the ground, not putting out a camp fire, lighting something that creates smoke...
Self-pollination occurs when the pollen from anther is deposited on the stigma of the same flower. Because cross-pollination allows for more genetic diversity, plants have developed many ways to avoid self-pollination.
The isolation barriers prevents two of the species to mate, resulting in them evolving into different species
Answer:
3.42 moles
Explanation:
Molar mass of NaCl= 58.4 g/mol
Number of moles in 20g of NaCl is
200.0/58.4 = 3.42 moles
