Give some examples of quanta and explain how they work.
quanta are small packets of energy .according to plank's quantum theory energy is present in nature in the form of small packets called quanta
What is a contact force? Give some examples of it and explain why they are contact forces? [3 MARKS]
What is a non contact force? Give some examples of it and explain why they are non-contact forces? [3 MARKS]
Explain the parasitic mode of nutrition. Give two examples and mention why they are parasitic. [5 MARKS]