Answer: Option B,C, E and F
Explanation:
Action potential describe rise or fall of membrane potential of a particular cell location. This happen when neuron send impulses away from cell body. During action potential, one of the neural membrane opens so as to allow positively charged ions inside the cells and negatively charged ions to move outside the cell.
<span>Natural selection is what allows a population to adapt because the animals that adapt are the ones that mate and pass along their genes. Without natural selection, evolution or adaptation would not be able to occur.</span>
Modern radio tuners use a superheterodyne receiver with tuning selected by adjustment of the frequency of a local oscillator. This system shifts the radio frequency of interest to a fixed frequency so that it can be tuned with fixed-frequency band-pass filter
1-9 options are as follows- e e d b c a b(not sure) d a. and do let me know if anything was wrong.
Earth is comprised of atmosphere, hydrosphere and lithosphere.
Explanation:
The earth is comprised of three system which is present in solid, liquid and gas they are lithosphere, hydrosphere and atmosphere. Combination of all three sphere is known as biosphere where life exist. Lithosphere is defined as the area of earth which is solid in nature, it is comprised of land part of the earth.
Hydrosphere is defined as the area of earth which is liquid in nature, it is comprised of all the water bodies present in the earth. Atmosphere is defined as the area of earth which is gaseous in nature; it is comprised of air in the earth. The first life originates in the water. The combination of all three is known as biosphere.