Answer:
Lichens can be used as air pollution indicators, especially of the concentration of sulphur dioxide in the atmosphere. Lichens are organisms that grow in exposed places such as rocks or tree bark. They need to be very efficient at absorbing water and nutrients to grow there.
If the substance mixes with water it's polar. If it doesn't it ms non polar.
A valid lewis structure of SO2 cannot be drawn without violating the octet rule.
correct me if i’m wrong.
The nuclear reactions which are under experimenter's control are said to be controlled nuclear reactions. In this, you can maintain the speed of the incident particle. α and β-decay process are examples of non-controlled nuclear reactions.
Ngl didn’t read it so I’m not gonna answer it. Don’t report please just want to ask a question but have to answer two
