Answer:
None of these is true. (Ans e.)
Explanation:
C) Inhaled chemicals can irritate the throat or nose, damage the lungs, and enter through the lung to the bloodstream.
A) Skin is not impermeable in nature.
B) It is not safe to smoke around hazardous chemicals, as long as you wear gloves, because people can carry hazardous chemicals from cigarette smoke then releasing those compounds into non-smoking environments.
D) Alkaline can denature proteins, and they also break down fats in a process which is known as saponification. Burns from alkalines worse than burns from acids.
The hypothesis would be: Consumption of a single apple every day will reduce the number of visits to the doctor.
The hypothesis is a proposed explanation that is a starting point for further investigations. So, in this case, we assume that eating one apple a day will keep us healthy, without the need for the doctor.
Answer:
Differences in the concentrations of ions on opposite sides of a cellular membrane lead to a voltage called the membrane potential. Typical values of membrane potential are in the range –40 mV to –70 mV. ... These concentration gradients provide the potential energy to drive the formation of the membrane potential.
Explanation:
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