This is the half life of the substance. The half life is the time it takes for the substance to become reduced by half as a consequence of decay.
Answer:
Nature and size of image:
the image is formed at the focus (F), the image is virtual,erect and highly diminished.
Answer:
d) precipitation
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And if you want to, pls mark it as the brainliest answer
Answer:
10 meters per seconds or 10m/s
Explanation:
Choice 'D' describes speed in the metric units 'meter' and 'second'.
With no mention of direction, it can't be called 'velocity'.
