Answer: The frequency of the electromagnetic wave is equal to the oscillation frequency of the electron is the correct option.
Explanation:
Electromagnetic waves are created by oscillating charges. Frequency of waves and oscillation of electron both are the same. Electromagnetic waves are always move perpendicular to the direction in which the wave moves.
Answer:
The correct option is A
Explanation:
Water from a river is used for many activities in a community. These activities could include (but not limited to) tourism, drinking for animals, local transport, irrigation for nearby farming, recreation (as in swimming), habitat for some living organisms among others. Rivers are not limited by what limits the influence of oceans such as taste (it's saltiness, which cannot be used in farming also) and wave current.
These are guesses because there is no word bank or anything
A. Water
B. Housing
C. Plants
D. Animals
E. Warmth
Osmosis is the diffusion of water from a high concentration to a lower concentration
Answer:
not sure if this is the right way to answer this question but PbS is Phosphate-buffered saline (i think)
Explanation:
