I don’t know what plant were presented in your lesson. So, I did sunflowers. The tropism I used was photo tropism
The only chemical that is a liquid at room temperature is Mercury. It's toxic, and has a high vapor pressure at room temperature.
the largest is francium, Z=87 , or caesium, Z=55 ; and the smallest is definitely helium, Z=2 .
Explanation:
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Electrical energy is the energy of electrons