Answer:
frogs don't spend all their time swimming, nor do they spend all ... The frog is capable of sitting perfectly still for hours on end, only to suddenly ... When a frog is resting or hunting, he will sit on whatever is handy.
Explanation:
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Answer: A diode laser which emits at a wavelength of 988 nm is in the infra-red portion of electromagnetic spectrum.
Explanation:
Electromagnetic spectrum shows the wavelength or frequency ranges of different electromagnetic radiations. According to this spectrum, the range for infra-red region is from .
Therefor, a diode laser which emits at a wavelength of 988 nm is in the infra-red portion of electromagnetic spectrum.
The atomic number is the number of protons, while the atomic mass is the number of protons added to the number of neutrons. By definition, potassium (K) has atomic number 19, so it should have 19 protons. If it has a mass of 42, then the number of neutrons is 42 - 19 = 23 neutrons. This is choice (1).
The first step in the two-step process of making a solution is the breakdown of the solute source into Atomic particles
for a solution to break the solute must be dissociated and break into the atomic particles
so correct option is D
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Answer:
D.)more collisions --> greater collision force --> higher pressure
Explanation:
The temperature of an ideal gas is directly proportional to the average kinetic energy of the particles in the gas, according to the equation:
where
KE is the kinetic energy
k is the Boltzmann's constant
T is the absolute temperature of the gas
As a result, when the temperature of a gas increases, the kinetic energy of the particles increases too. This means that overall, they will move faster, therefore there will be more collisions between the particles and the walls of the container. As a result, the particles will exert on average a greater force of collision agains the walls, and therefore, they will exert a higher pressure.
So, the correct option is
D.)more collisions --> greater collision force --> higher pressure