Number 1 ,3 and 4 are the answers
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Answer: ionic bond
Explanation: Ionic bonding is the complete transfer of valence electron(s) between atoms. It is a type of chemical bond that generates two oppositely charged ions. In ionic bonds, the metal loses electrons to become a positively charged cation, whereas the nonmetal accepts those electrons to become a negatively charged anion.
Plants needs mineral salts or nitrates to grow, there are much more nitrates in the roots of the plants than in the dirt so the plant will defuse out of the roots into the soil.
During night, desert plants<span> absorb carbon dioxide and form an intermediate. Then during day time when the stomata is closed to prevent loss of water, they use this stored carbon dioxide to perform </span>photosynthesis<span>.</span>