Answer: See image attached!
Good luck with your future exams!
2.a) warm air is lighter than cold air so thats why it's warmer upstairs than downstairs
3.d) Conduction<span> is the process by which heat energy is transmitted through contact with neighboring molecules</span>
4.d) the lamp radiates heat throughout the plants
Idk how to write the formula I had this same question
Answer:
sorry to waste ur time but im getting points bc i have a question and i need more points to say ig
Frequency, f = v / λ
f = 2.998 * 10⁸ / 3.55*10⁻⁸
f = 8.445 * 10¹⁵ Hz.