Hydrogen has one valence electron. To make it an ion, you need to remove this valence electron. When you remove an electron, the element becomes positive because you are taking away the negative
Answer:
Definitely A is the correct option
A bone cell, formed when an osteoblast becomes embedded in the matrix it has secreted.
Answer:
Doppler effect is a change in frequency and wavelength of a wave. It is caused by the change in distance between the thing creating the wave (causer) and whatever is measuring seeing or hearing the wave (watcher or observer). Another word for "causer" is "sender".
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The chloroplasts is responsible for transforming light energy into chemical energy
