Answer:
Explanation:
Shutterstock. When the molten outer core cools and becomes solid, a very long time in the future, the Earth's magnetic field will disappear. When that happens, compasses will stop pointing north, birds will not know where to fly when they migrate, and the Earth's atmosphere will disappear
Answer:
The exchange of oxygen and carbon dioxide in the leaf (as well as the loss of water vapor in transpiration) occurs through pores called stomata (singular = stoma). Normally stomata open when the light strikes the leaf in the morning and close during the night
Most organisms can tolerate a very narrow pH range close to neutral, i.e., around pH 7. It is likely that there would not be much life in the lake at pH 3. Once the pH increases to above 5.5 to 6, it is more likely that life would begin to survive. Once the pH rises to above around 9, the solution is starting to become basic, and once again, few organisms will survive.
Explanation:
To raise the temperature of the flight muscles high enough to enable flight the bumblebee shivers, rather the same a we do when we are cold. This can easily be seen in a grounded bee as her abdomen will pump to ventilate the flight muscles.
Answer:
Option 4
Explanation:
There basic principles of medical ethics which are as follows –
a) Autonomy- This provides patients the freedom of thought and decision making regarding taking any medicare services. It is the duty of the medical service provider to provide complete details about the service so that the patient can take an informed decision
b) Justice – The medical practice being applied must abide by the existing rules and laws.
c) Beneficence – It cover the efficiency of the care provider to provide skilled and knowledgeable staff who must have received adequate training
d) Non-maleficence – The service provider must ensure that no one is harmed in this procedure.
Hence, option 4 is correct
