The answer is d according to study soup
i had this question and it was price
hope this helps
Yeah the answer above me makes sense...
The green sample possibly contains algae or some other sort of bacteria
Answer:
Alkali metals are any of the elements found in Group IA of the periodic table (the first column). Alkali metals are very reactive chemical species that readily lose their one valence electron to form ionic compounds with nonmetals. All elements in the alkali metal group occur in nature.
Explanation: