duhitzmay4693
26.06.2020 •
Biology
What is phototropism???
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Ответ:
Phototropism is an important light response in plants. Positive Phototropism leans towards the light and negative Phototropism growth away from the light.
Explanation:
Ответ:
Four
Explanation:
Carbon dioxide (CO2) has carbon as its central atom with Four valence electrons while the oxygen atoms need two electrons each to form a stable octet structure.
Thus, two double bonds are formed with carbon in the centre covalently linked to the two oxygen atoms by its four valence electrons