I’m pretty sure it’s melanin
The number of covalent bond an element can form depends on the number of electrons it has in its outermost shell (valence electrons). Carbon has four valence electrons, therefore, it can form maximum of four covalent bonds in an organic compound.
The main producers of the aquatic environment are Phytoplanktons
Answer:
Painting buildings a lighter color like white
Explanation:
This is because white color reflects most of the sunlight and does not absorb it , and that's why it keeps the city cool.
