False. When using the 40X objective, you should not use the coarse adjustment knob.
Explanation:
The coarse adjustment knob is used with lower power objectives if used at high powers the lens may get broken and also it would be difficult to attain desired focus. The coarse adjustment knob is used to attain the focus of the object by maintaining the distance between the object and the lens. This is the rough focus knob of the microscope and the focus of the object moves very quickly when using coarse adjustment.
Answer:
C
Explanation:
Glucose dissolves in water because it has polar -OH bonds. and polar molecules dissolve in water
I believe it is the lungs.
Answer:
B. Electrical energy is being transformed into thermal energy
Explanation:
The energy provided by the socket is <em>electrical </em>and is then transformed into <em>thermal </em>so the hair can be dried.
Advantages of ploughing the soil are: - Tilling of soil helps in loosening and turning off the soil, the nutrient-rich soil is distributed evenly and also it improves aeration. ... - Improvement in the microbiome of the soil. - Roots can easily penetrate the soil and provide a stronger foothold for the plant.