Answer:
The epiglottis must be pulled down.
Explanation:
Epiglottis is a leaf-shaped located about the tracheae or the windpipe in the throat of the humans. The esophagus and the trachea in the body are aligned parallel y to each other in the human body.
While breathing, the epiglottis does not cover the windpipe and allow the gas to enter but during swallowing of the food, the epiglottis is pulled down and covers the trachea to allow the food to enter the esophagus only and not the windpipe.
Thus, the selected option is correct.
Explanation:
Answer:
1. decomposing through the action of bacteria
2.Rhizobium
3. Evaporation
4. precipitation
5. condensation
6. gosh plant
Answer:
what are the options for the answer
Explanation:
Answer:
The correct answer is -
a cell that is able to develop into a variety of specialized cells
a specialized cell that results in differentiation
a specialized cell that results in self-renewal
Explanation:
Stem cells are the primal cells that have the ability to self-renewal and able to differentiate into more specialized cells through the mitotic cell division. Stem cells are pluripotent generally but can be totipotent and multipotent as well.
These cells show self-renewal and unlimited potency properties. Self-renewal is the ability of the cell that allows it to go through various cell cycles without losing its undifferentiated state.
Answer:
In moon rock sample the ratio of the number of stable argon-40 atoms present to the number of radioactive potassium−40 atoms is 7:1. Assume that all the argon atoms were produced by the decay of potassium atoms, with a half-life of 2.5×10^9yr. The age of the rock is
Explanation:
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